Buffy, if you want little Yoda all you have to do is create an npc file for yoda and have the line scale 60 in there. You can change the scale number to whatever you think looks the best . The way I did it was just copied everything in luke's npc file, created a new text doc and renamed it to yoda.npc, pasted all the info from luke's .npc file in there and renamed the parts where it said luke and luke model to yoda. Then I added the scale line. Then when in game type npc spawn yoda. (playermodel yoda if you want to play as yoda)
I suggest you try it yourself but if you're having probs private message me your e-mail and I'll send you my yoda file tomorrow.