for the female characters.I made up the guy.
The rest its done in easy paint tool sail
The room was made 3d on google sketch up 8
then linearted and now painted on sai also toned with ps cs5
A lot of time doing this, a lot of layers (50+) and lots of freezes druing the process due to lack of ram (original size 7421x4390@300ppp) hope you like it