There is no excuse not to exercise at home, here is a great graduated approach to bodyweight exercise.
Here is a link to the original post – with links to demonstrations of exercises
(Just a little skite here – I found I am able to do some of the insane exercises – for example I can carry off a L-sit and V)
http://strength.stack52.com/periodic-table-of-bodyweight-exercises/
Great link. Thanks for posting that.