Awe @Catsilver, that's a fabulous tank!
In regards to easy strains, I'd go with Northern Lights, Peppermint Kush or Blue Dream. Mostly indica, great smoke. Super easy to grow and they're resistant to moulds and shit. If you read up on the strains, you'll get a feel for it. Sativas are great, but i think they're more finicky. Also, long flower times can blow