Is it possible to set the default image viewer to Resco or anything else?

If so how?

Surely all you need to do is make sure you open Resco instead of Gallery?

Yeah that's fine, but I mean for the camera gallery. When you use the camera and want to see the pics you have just taken it takes you to the regular gallery. Since you can't define different folders for it things like images for some games come up in the gallery and there's way too much crap in there to go through.

Any help would be appreciated. Even if you know (for sure) if it just isn't possible.