Main album directory: https://kokua.imgur.com/
Renders sorted in folders based on their name, in no particular order
A-A https://imgur.com/a/IuV38en
B-D https://imgur.com/a/zgeN2U9
E-H https://imgur.com/a/a2J0UTB
I-K https://imgur.com/a/CTZWvm5
L-N https://imgur.com/a/DDloYF7
O-S https://imgur.com/a/58uBxSk
T-Z https://imgur.com/a/pbPM9o2
Offering 400 per sig, potentially more
No text, "K", or the character's name
No animation, No transparent borderless
Traditional rectangle, No border outline
400x150 preferred but not required
Examples of what I like: https://i.imgur.com/4pswtMR.png
My Sigs: https://imgur.com/a/WwBjU
But in general, if I like it, I'll probably buy it

trying something a little out of my comfort zone.

Could you try saving it as a .png and reuploading it?
It looks like you might be saving it as a lower quality setting .jpg

It might be the coloring that I'm using. Here are the pngs and the full resolution versions.




Full Resolution Versions:
https://i.imgur.com/I7zgLgf.png
https://i.imgur.com/wRHpiDb.png