This is my recently-completed entry for the latest CGSociety Challenge, the theme for which was "Strange Behavior." So there's a lot of strange behavior going on in this piece: If you ask the girls, they'd tell you that all the nerds engrossed in their role-playing games were the strange ones. But to me, it's the girls themselves, so judgmental and scornful of anyone with different interests, beliefs, or priorities who are the strange ones to be judging others.
The composition and line art was done in pencil : the final line art was 13x21 inches! I used 3DSMax to mock up the railing and the entire city in the background, because who wants to sketch out repeating patterns of intertwined ballustrades without guidelines? All of the painting was done in Photoshop. The entire piece took about three and a half months of sporadic work. If you've got a lot of time on your hands, you can see the entire process from start to finish at http://forums.cgsociety.org/showthread.php?f=225&t=510770&page=1&pp=50.
Enjoy!