1997 ford thunderbird, how can I get my serpentine belt going without my air compressor pulley?

1997 ford thunderbird, how can I get my serpentine belt going without my air compressor pulley?

Buy one of these; http://www.1aauto.com/a-c-bypass-pulley/i/1aepm00025

You can either add an idler pulley or use a shorter belt. I prefer the idler pulley.