To all who don't understand, just read the stickies. If you want to learn about making molds, watch the instructional videos on Freeman's website (there's link to them in the Tutorial Links sticky).
Seriously, every time a new thread opens, there's an endless stream of newbies asking, "How do I make molds?" If you just take the time to read the stickies all the way through, most, if not all, of your questions will be answered. If you have any questions AFTER reading the stickies completely, feel free to ask me. I'll probably be able to answer, or at least refer you to someone who can.
Also, question for Adam. Is that Rebound 25 you're using for the mold in the Slushcasting video?