Okay lets make this quick!
1.I can't draw
2. Bring your own lines
3.Digital line art only
4.Clean lines, pref.. I have a hard time with messy lines!
5.Provide a color reference. If it's your avi, tell me.
6.MAKE SURE THAT YOU HAVE THE PERMISSION OF THE ARTIST WHO DREW THE LINES BEFORE YOU COME HERE.
7.It's gonna be in flats!
8.I wouldn't turn down a tip, but these are free.

Samples are Here, here and here.

These images belong to me, were drawn for me and I have permission to use them! They are my oc's!