Thanks a lot for the answers, from what i can tell the bigger market is for problem solving through scripts and apps, so i'm not sure how much providing game ready characters can be profitable....but it's definitely something i'll try sooner or later.
Yup, scripters do lot better somehow. I think I'll still try do some things just for fun and if they do profit, then cool. In the specific case of Michael (NGUI) he did that well not only because of his superb work (I do love using NGUI) but also since he filled a huge void for the whole Unity community, since Unity OnGUI…