mesh crashes

[ubergreendragon]

some of the meshes ive installed recently crash the game when i try to make a character ...i got rid of FF from my computer a while back and all that went with it cuz i never played it then i changed my yahoo address and deleted my old one and forgot to redownload all the meshes i had on my backup yahoo groups ....now im in the process of reinstalling them from whereever i can find them some work some crash but they used to work when i had them the 1st time ....what gives?