Try the Orchestra Swing or the Orchestra Ballad at a tempo of 125.
This is what one my books suggests, but I have to admit I don't use these suggestions very often and when I do it is just to 'get an idea' of what it will sound like. I then try all the swings, ballads etc. and even latins (it is surprising how many songs can be played to a simple latin rhythm) until I am satisfied with my own rendition of the song.
It may not be very professional, but it sure is fun finding out as you get to hear patterns and styles that either you have forgotten about or you didn't know was on the keyboard.
Good luck!
Aud (U.K.)