Some non-black shadows against a non-white background:
I made a new theme for super simple called "Forest":
If anybody wants to start making themes, please do! Just play with all the customization settings for some layout until you get something that looks nice, give it a good name, then post it.
For now, only develop themes for supersimple. The other themes aren't reflecting enough options to do anything too interesting with them.
Also, a reminder: you were given disk space because you were supposed to be testing things and reporting problems/shortcomings. *nudge nudge* :-)