I have had a science tricorder for quite a while now (I used to wear it to school every day), and I recently got an amazing custom Kirk shirt. I came home the other day with a mask from the dollar store, drew eyebrows on it, and went outside to take some pictures.
They turned out amazingly.
http://vibrant-oxymoron.blogspot.com/2011/09/trek-inspired-photoshoot.html