Jessalyn Aaland

http://www.thejealouscurator.com/blog/2011/08/31/im-jealous-of-jessalyn-aaland/

Almost Island like collage ! Very cool
Maybe you could cut out the parts of your terrarium and arrange them like an island or in a ambiguous shape or spacial configuration?

http://www.aalandisland.com/ - Here is her website

Check out http://www.aalandisland.com/secretgarden/ - The secret garden

We could start with this? Easy but challenging......