Super hero's ! I can't remember who's on the top left but next to her is Dr. Strange and below her is the Ultimate universes version of The Shroud and finally a quick portrait of Scarlet Witch on the bottom right.

Spider-Man and Gwen Stacy.

More hands.

Copies from the Andrew Loomis book "Figure drawing for all its worth." All artist should read and copy out of this book when starting out. Invaluable stuff. 

More studies of hands in Photoshop.

More Andrew Loomis copies.

Practicing both drawing hands and drawing in Photoshop. Both of which have been problematic for me.

Copies from the Andrew Loomis book "Figure drawing for all its worth." One of the better books for learning anatomy.