Umm... I might be able to help speed up the process. You say you can only rip one sprite at a time, there is a program, see here:
http://www.gmdsoft.de/menne/z3c/animget.htm
It takes a picture every 0.10 seconds and then saves them, say you could make all those sprites (Besides levels) in less than an hour with it. Good Luck!
