See how create sculpts in world, how apply shadow maps in your textures and how texturing your sculpties for Second life
For texturing the model is only necessary to use an image editing program, we recommend GIMP because is a free and powerful software. You do not need any 3d software for texturing your sculpties.
Put the image of the “occlusion mapâ€(AO) in a top layer to multiply mode for include your shadow maps or your occusion maps on your texture.