I think tattoos are basically personal thing. You are responsible for no one if you have chosen to ink tribal tattoo which some thinks out dated.
There are many good free websites which shows you lots of tribal tattoo for free. But if you want something special and unique then opt for the membership sites. Here is a link which gives reviews of more than 10 membership sites.
You can browse each website and decide for yourself.
This seems to be your first tattoo then grab a FREE 176 page
e book ” Got Ink” from the same website home page, which will answer most of your questions.
All the best for your tribal tattoo.