art and graphics
@hm_niku_ - banner art
@donutous - chibi tsumugi art
@fuwa__0226 - game log banner art
@kemjjiyu - game log chiaki art
nukochannel - lots of those cute cat mini pixels 
fool lovers - simple backgrounds, icons, borders and more
fancyparts - backgrounds, dividers and more
lapin's oldweb gfx hoard - so much stuff, especially backgrounds
dither it! - website i use to dither/"pixelate" images
dithertron - another image dithering website