I just realized something. For all those textures you have, 11 2048x2048's, you'd need 132 MB in video memory thus it would only work on cards of 256 MB or more. You should consider lowering this to at most 64 MB.
"You level up the fastest and easiest if you do things at your own level and no higher or lower" - useful tip
My 2D game - release on Jun 13th; My tutorials
