if I was a Glue Dobber...

I'd build something like this:

http://images.google.com/images?q=hl-20&oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a&um=1&ie=UTF-8&ei=1VywStvYG4_IMJ_sqKkH&sa=X&oi=image_result_group&ct=title&resnum=4

Photo:

www.aerospaceguide.net/spaceplane_pics/HL20.jpg

Something interesting to release from a balloon ? :)