Use one of the free torrent downloads like vuze then search for what program you like. It ain't hard to create on imvu or second life just takes patients when you do your new meshes or textures unless like a lot of pro creators you just use one of tir texture maps and use paint to recolor them lol or jut get free copy of 3dsmax and do avatars or use deliverances head mesher. And avatar poses then just do the pose yu like and save it then go to creater upload your XMf and pow you have an original pose