As far as signing with ODI, it gaved us assurance that game have its quality and that it will be published by known publisher when is finished. Both signings will help us finish Serious Sam. Admir Tools have been in development for long time, and their strength is amazing. As someone who is working with them daily, I think they are most user friendly tools in game development, with so many features and options to make developer's life easier. 3d program to create model and animate it, you wont have any problems importing it in our Engine, or changing existent ones.
Skins use UV mapping, which is normal for today game models.
Same as for models, skins can be easily adjusted or new created. Admir we wanted to create different characters, not just humanoids, more diverse then in other games. In a recent interview , Davor makes mention of a Scorematch. Dean Sorry, we can't. We don't want to spoil the surprise.