Some real nice work here, TBH I think your texturing is letting you down a bit - although it's all good stuff, a little more care on the textures could really make them shine.
I can spot the weak parts because I'm guilty of the same sins, like exagerating highlights, using filters etc.
For instance, the arachnids legs, they look like they're made from pressure moulds, which might be the best look for them - but I reckon they'd look really cool with a sharper, more detailed texture. Experimenting with different styles is a good idea, like take the long way round on your next texture - it's always good to have a few different methods, especially as your theme changes so much.
Van-B
Put those fiery biscuits away!