I'm gonna try a little challenge. There are 2 FREE places available...
Write in the comments if you want to see which place you want.

Condition:
There should be reference images.
I may use your character for this image.

In the end I choose 2 characters from the comments.
The whole thing is absolutely free. The chosen ones can also upload the finished picture in the gallery. (With links to my page and the other selected one)

I am a rookie therefore don't expect too much.