$1 Anamorphic Lens Adapter

[j]

For tiny cell phones:

http://www.ebay.com/itm/Stretch-JEL...125396?pt=PDA_Accessories&hash=item3a565e5314

This one is $1.68, but there are some that are .99

For a buck it'd be fun to try. I don't think it'd fit on my 7d though...