Drain the liquid from the cans of fruit and set aside. Cook the cranberries according to package directions. Cool. Dissolve jello in 1/2 the amount of liquid called for in the package directions. Use reserved fruit liquid instead of water if desired. Add the dissolved jello to the cooked cranberries. Place in refrigerator. When jello begins to gel, fold in the drained fruit. Pour into mold and refrigerate.