Homebrew Themes

[PlagueMusic]

Hello everybody, I can't seem to find any so i was wondering does anyone have themes/skins/replacement backgrounds for the following homebrew apps?
MAME4ALL
PicoDrive
SMS Plus
Beats of Rage
PSP Revolution (Can't seem to find the red DDR MAX 2 theme, would be great if someone sent me a link)

thanks guys!

[PlagueMusic]

none?