FREE and open-source, the universe plus VLC Player are spectacular! Just like the exercise\fun\* I get from skateboarding... ;-)

http://www.videolan.org/vlc/

I love putting my DVDs\* on to a hard-drive so I can click though all the main-media-menus or shuffle, not to mention never scratching them. ;)

"Learning Physics Through Free Courses" 

http://www.google.com/search?q=physics&hl=en&tbm=vid&prmd=ivnsb&source=lnt&tbs=dur:l&sa=X&ei=M3xNT6rfDIWIhQen-ITuDw&ved=0CBIQpwUoAw

http://viXra.org/

 sk8) then work

 
http://4seasonssk8park.wordpress.com/
My first $20 deck, not $150 to $200 ;) I need bigger hills! Got the idea here: http://blog.makezine.com/2011/05/25/make-volume-26-diy-simple-longboard/

 

Sk8 2 work :))

then after: http://www.concretedisciples.com/cd_skate/WI/brookfield/brookfield-skatepark2.jpg