The hump is a bug. There's a "fix", but it's basically just a 3DS oval to be positioned under the hump to equalize the hole. Snow terrain, I suggest you check MarioG's tutorial on using alpha maps in creating textured terrains. (www.pinhead.robbes.com/tutorial/Mario/mg_CTATerrains.htm) And then Olivier Ffrench's (note two F's) on mixing photo and procedural textures. (http://o.ffrench.free.fr/tutorials/mixing/index.htm) Also, there's the Necati's one with subcontours. (http://www.bryceanworlds.com/pages/tips_tricks.html) Those will certainly help, but you're in for some work. :-)

-- erlik