Sure Here is the Group page for all Kinds of Manipulation Groups here hope you can find something that
will be great for what you do
groups.deviantart.com/?qh=&… ( They have many here ) you can run and check them out if you have anymore questions give me a shout
I am not listed in any Manipulation groups but know there are some great ones out there I see a lot of great Manipulations
here on Deviant Art You will do good you have some awesome works.