Discovered how to do this while making my Fantastic 4 Sims. Includes most Sims2 masks and is for children to adults. Enjoy =D
Due to file Size, I cannot post it here. I can however direct you to the Sims site I also have an account on.
That site is Sapphire Sims and the post is here:
http://www.sapphiresims2.com/showthread.php?t=38569