isnt this Eksi's, looks alot like it.
Eksi doesn't own avatars that have black and a color
I do recall Eksi's avatar having a black, but not pitch black color (somewhere around 0.150?), with hands of a slightly lighter shade.
...yes, considering if you're using the paid version, just select the area you want trans'd, hit delete, then save it as a ..... it's either a .jpeg, or .png, only one will work with transparencies.
http://i1113.photobucket.com/albums/k516/IkeTheGeneric/Blockland_00134.jpg
http://img207.imageshack.us/img207/648/peekaboo.png
http://i43.tinypic.com/b7ns5t.png