What are some creative uses of the orange brick separator tool?
I have seen a number of very creative builds with the orange brick separator. Here are some examples:

Spaceship by F@bz: http://www.flickr.com/photos/fabz71/12434428513/

Mech by Lewis Meeny: http://www.flickr.com/photos/tr0jinh0rse/11318913594/ 

Deep Sea Explorer by Keith Reed: http://www.flickr.com/photos/keithreed/12943153094/

And my favorite is this Clown Fish X-wing by dr-spock-888: http://www.flickr.com/photos/dr_spock_888/20558633496/

And there is also the super secret worship room of the cult of the Followers of One Long Orange Object or FOOLOO by cimddwc: http://www.flickr.com/photos/cimddwc/24779936911/