Here’s a freaking brilliant idea:  write some code to make any song a swing-tempo number.  This sounds ridiculous, but really you have to give it a try:

Sweet Child O’ Mine (Swing Version) by plamere

Now that is a catchy friggin’ tune at the best of times, but make it a swing tune, and it’s classier somehow.

There are a whole bunch more here.

Another one of my favourites:

Enter Sandman- the Swing Version by plamere