sculpted robot

fist time ive used the sculp, im still trin to get the hang of it so i im only editing an old model, still alot of things i dont get, and wether its possible to add very small details without increasing the verts in the mesh a huge amount, oh and how do you use the texture brush? kinda wanted to make it all ibily bibily :eyebrowlift2:.
anyway, C&C yall

looking good as for a start has he got legs ?

as for textures in brush its simple