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Creative Corner » Pony Wildcards » Post 8

Creative Corner » Pony Wildcards » Post 7

Creative Corner » Samplers » Post 2

Background Pony #B443
Ooh, nice!
Unless the model specifies it needs a specific sampler, I tend to opt for Restart since it’s like a mini hi-res fix.
Do you have a similar resource for Scheduling type? In most of my tests the differences are minimal, as art timing. Except of some Illustrious based models where not using the recommended adds a lot of “noise patterns” (waves, flowers, swirls…) in empty areas.

Creative Corner » Samplers » Post 1

Lord Waite

This doesn’t have all of them, but there’s a fair amount of information on them right here:
https://stable-diffusion-art.com/samplers/
In practice, I tend to like the SDE ones, but the fact that they don’t converge can be an issue, and they don’t work well on some models, IIRC. Euler/Euler a seems to be what people default back to a lot, partially because of A1111 defaulting to it. I do like DPM++ 2M, and UniPC needs less steps then normal and can be useful when you’re generating a bunch of pictures. DPM Fast sucks. It was an early attempt to be fast, and I haven’t really seen it come out with good pictures.
Never a bad idea to try switching around samplers occasionally when generating things to see if another sampler works better. Just remember what you had it on before.

Creative Corner » LoRA - Characters » Post 14

Creative Corner » LoRA - Characters » Post 13

Creative Corner » LoRA - Characters » Post 12

Creative Corner » Samplers » Topic Opener

mp40

Hey, so what’s the deal with Stable Diffusion samplers? I’ve used Notebook LLM to get a summary of their differences and aims, but does anyone have any practical insight using them?
Heres a notebooklm podcast where it breaks down in depth the differences https://notebooklm.google.com/notebook/0676cdde-a432-4322-94d9-99f2e99e2603/audio
And a abridged briefing doc in layman’s terms
Euler: "Basic Steps" or "Simple Subtraction" - This sampler works by simply removing noise in each step. It's like taking away a layer of blur to reveal the image. It is also one of the fastest and most straightforward samplers 

Euler a: "Creative Variation" or "Adding Noise" – This one is like the "Basic Steps" sampler, but with a bit of random noise added back in at each step. This makes the results more unpredictable, like a creative filter that produces a slightly different image each time [2, 3]. This also means that the image will keep changing as more steps are added [4, 5].

DPM2: "Smart Prediction" - This sampler uses a smarter way to predict how to remove the noise, making it more accurate [6].

DPM2 Karras: "Smart Prediction, Better Colors" – Like the previous one but with improved color quality.

DPM++ 2M: "Advanced Smart Prediction" – An improved version of "Smart Prediction" that uses some extra information from previous steps to make better predictions [6, 7].

DPM++ 2M Karras: "Advanced Smart Prediction, Better Colors" – Like the previous one but with improved color quality [6, 7].

DPM++ SDE: "Detailed Stochastic Prediction" – This sampler uses a more complex math model to understand noise, resulting in detailed images [7]. It is stochastic, meaning that it introduces a degree of randomness, which can lead to varied results [8].

DPM++ SDE Karras: "Optimized Detailed Stochastic Prediction" - This is a version of the previous sampler that is optimized for better performance and image quality [7].

DPM fast: "Fast DPM" - This sampler is designed to be fast, but may require more steps and is not generally recommended [9-11].

DPM adaptive: "Self-Adjusting Detail" - Instead of using steps, this sampler adjusts itself based on a setting that changes the image's contrast and saturation [4, 12].

Heun: "Two-Step Correction" - This sampler works by predicting the image, checking the prediction, and then combining both for a better result [13]. It uses a weighted average of two noise estimates [14].

LMS: "Artistic Style" or "Painterly" – This sampler uses information from previous steps to create an image with a more artistic or painterly style [15]. It can struggle with generating detailed characters or animals [16].

LMS Karras: "Artistic Style, Better Colors" – Like the previous one but with improved color quality [16].

DDIM: "Photorealistic Detail" or "Smooth Solver" – This sampler uses a special method to generate images which are often photorealistic and highly detailed. It was widely used, but is now considered outdated by some [17, 18].

PLMS: "Quick Estimator" – This sampler quickly estimates the noise and removes it, but it is not generally recommended because it is slower and produces worse results [9, 19].

LCM: "Fast Refiner" or "Single Step Image" – This sampler can produce good images very quickly, in as little as one step. It uses a special technique to refine the image in its latent space [20].

Restart: "Noise Reset" or "Iterative Correction" - This sampler is like restarting the image generation by adding a lot of noise, and then starting again with the denoising process. It does this several times [21, 22].

UniPC: "Smart Combination" or "Flexible Solver" – This sampler is designed to combine information in a way that it can be used with many different models. It can also change its level of accuracy to work faster [23].
These names aim to be more intuitive, focusing on the core action or result of each sampler. For example, instead of “DPM++ 2M,” you get “Advanced Smart Prediction,” which better describes what the sampler does, without needing to know the underlying math. The “Karras” variants are noted for their improved color quality. The ancestral samplers have “variation” or “adding noise” in their names. The goal is to provide a better, more intuitive understanding of how each sampler functions.

Creative Corner » LoRA - Characters » Post 11

Creative Corner » Text-to-image prompting » Post 42

Lord Waite

@mp40
No problem.
Nice thing about ollama is that it’s a service running, so you install that and install whatever models you want though it, then you can use any program that talks to ollama to interact with the models. (And there are ComfyUI nodes that can talk to it.)
Ollama itself is over here, as it lists of all the various models you can install with it (Though bear in mind the size. 1b, 3b, or 8b is fine. Don’t download 70b models…):
https://ollama.com/
You can technically talk to the models directly with ollama, but that’s chatting through a command line, so you really do want another program to use with it as an interface.
When installing it with docker, you can choose to install a version that has ollama as well, but I did them separately.
Open WebUI gives you a nice web interface where you can chat with any of the models you install, and even has a way to set it up to talk to ComfyUI, so you can send text from a chat directly to comfyui to generate an image using it as a prompt. It’s fairly fun to play with.

Creative Corner » Text-to-image prompting » Post 41

mp40

Thanks for the info! I was using a much simpler setup – I had Mistral small installed via pinoko and was just trying jailbreak prompts, even though I thought Mistral small was uncensored.

Creative Corner » Text-to-image prompting » Post 40

Lord Waite

@mp40
Oh, also, one thing worth mentioning is that I think the longer the system prompt is, the more likely it is for the system prompt to start going out of the context window. I’ve noticed that since the instructions to uncensor it are at the beginning, it tends to start becoming censored again if you put too much in the system prompt.

Creative Corner » Text-to-image prompting » Post 39

Lord Waite

@mp40
No problem. It’s one of these spots where I really need to play more with it, and there might be better ways to do some of it, but that’s what was getting me results.
I remember one oddity was that autocomplete on what I was typing kept giving I can’t talk about this topic type lines, but the actual response was uncensored.
There could easily be better models, too. I just remember trying two or three and this was the one that was giving decent results.

Creative Corner » Text-to-image prompting » Post 38

Creative Corner » LoRA - Characters » Post 10

Teaspoon

@Adusak90
I would hope so!
There are a lot of characters, still have to go through several dozens that I’m already aware. And I need to generate some 60 preview images, the default for many tend to be anthro / borderline NSFW…
But hopefully in a week or two this’ll make a nice useful list of character LoRAs.

Creative Corner » LoRA - Characters » Post 9

Adusak90

Background pony enjoyer
If this is going to eventually bloom into more background pony art, as an enjoyer of these mares you’re doing a god’s work right here, I applaud and cheer for your noble mission.

Creative Corner » Text-to-image prompting » Post 37

Lord Waite

@mp40
I haven’t done more with it, but with ollama, the key was making a custom “Modelfile” file, and creating a model from that Modelfile.
What you can do is copy the modelfile of an existing model and modify it.
So, first:
ollama pull rolandroland/llama3.1-uncensored
to install the modelfile you are going to base it off of. Then, if you run:
ollama show rolandroland/llama3.1-uncensored --modelfile
It’ll print out on the console that models Modelfile, so just copy that to a file named Modelfile.
Then change the FROM section to say:
FROM rolandroland/llama3.1-uncensored:latest
and add a section at the bottom that says:
SYSTEM"""<your prompt here>"""
And just write a prompt for how the AI is going to act there. You basically want to describe to it what its purpose is, and let it know that it’s uncensored and can describe sexual acts and such, tell it not to add in disclaimers, tell it the exact format that a prompt should be in and the type of words it should use, and give it a few examples of real prompts.
(I’d give one here, but looking at it, I really want to clean it up and improve it. I was explicitly telling it to add the line of score tags, then a source and rating tag, then a description, then several paragraphs of danbooru tags.)
Then run:
ollama create <new mode name> --file Modelfile
Keep the modelfile, try using the model you generated, and if you want to tweak it, do:
ollama rm <model>
change the modelfile, and rerun the create command.
That’s basically how to do it, in any case, the key is going to be playing with creating a prompt until something sticks, and basing it off the right model, as I remember trying it with a different model or two and not having as much luck…

Creative Corner » LoRA - Characters » Post 8

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