Check the file extention of those models. If the extention is not .wings, you will have to Import them. And wings only imports, .3ds, .ndo, .ai, and .ojb.
.3ds is the most commen.
I they are copyright you can find out at the site you got them at.
.3ds is the most commen.
I they are copyright you can find out at the site you got them at.