OP here from the previous 2 Ai Pokegirl threads. I've a couple of hours to do requests. I thought I'd also post some help on the process of generating good art.
{{{x}}}, emphasize certain tags, x1.05 per bracket.
[[[x]]], do the opposite, so x0.95 per bracket.
((x)), does nothing as far as I'm aware, it sometimes needs to be used since Danbooru uses it in its tags; like in {{melony_(pokemon)}}.
Use these to steer the Ai into the direction you want it. By the way, spaces and _ can be used interchangeably.
add {masterpiece} to your prompt, it will help with the quality. The more obscure a prompt though, the harder it will be to generate if you use this tag, so use it with the more basic prompts.
Using {lillie (pokemon)} sometimes isn't enough for the Ai. In that case, check a Lillie pic on Danbooru and copy the tags you see there. blonde hair, long hair, ponytail, white skin, crown braid, green eyes, etc. Specify the pose, the clothing, the background, the artstyle as best you can.
I found that using brackets for masterpiece, artstyle, character name, clothing, bodily features (such as breast size) generally works best.
Use Enhance on pics that have minor errors. The magnitude depends on how many errors. It will also upscale pics if you like. Only do this when you got an amazing generation. It will generally also fix weird eyes and fingers.
Something that also seems to help is describing the pic in a sentence before the tags. Example: A young Lusamine in her white bikini laying on the beach. Note that this only works well if you add tags like normally. Use these tags to give the Ai some extra context if necessary.
Keep practicing. You will definitely get better. Also, I advise you to save successful tags in a text file, so you can easily use them later.