Here is a video Jiles did:
http://www.youtube.com/watch?v=sliCxsIZ3v4&sns=em. It takes practice to properly "pinch" the bladder when bleeding. Lutzinator.com
http://youtu.be/o5MR4MxTsdw also has a great video of bleeding a 1/8th scale shock with bladder, same concept and very helpful.
Dont buy tamiya shocks, these are just fine as Chris mentioned! ...