Apart from the obvious source of looking at the two springs catalogs of tattoo parlors, you have other sources also to find your dream tribal design. Best and free source to find the ancestral designs is browse through the net. It is quite possible that in most of the websites that offer free tribal tattoos designs are the sketches and photos of tribal art which are repeated and old. But if you want to find some unique and fresh ancestral designs then you have to be a member of a good reputable website that offer one of its kind designs of tribal tattoos to their members only. It is worthwhile to pay a small membership fee in order to peep through their great gallery.
You are going to spend some good amount on piercing the tattoo in to your body. It is better to spend some time and money to look at the many tribal designs available at the membership site to avoid the disappointment afterwards.