Carter at FB. He's got the athleticism and speed. Not sure about taking all the collisions.
Ware at receiving TE. Not sure about Spencer at TE. Carter could play a small receiving TE.
Smith might translate to a 3-4 DE.
Did you know there are only 5000 Snow Leopards in the wild now and they are confined to Central Asia? However, the effective global population (those likely to reproduce) is less than half that number.