Lets see...
Cloud filter
Text (with typo)
Some shapes put together to look like mutant penguin
Wind Filter

WOW AMAZING WALLPAPER!
In my opinion you need to make something with some eye catching effect in it, that hasnt been used 100124135 times before, and for a wallpaper darker colors... I cant stand bright colors as a wallpaper, which is quite the opisit with my forum theme wheras I cant stand dark colors.