Tom Waits is fantastic, although he an acquired taste for his later stuff, if you can get hold of copies then its worth listening to albums like Closing Time which is very kind of jazzy based loungeroom sounding album, but its great to relax to at night, and then there is the Blue Valentine album which contains such choicely titled tracks like Christmas Card From A Hooker In Minneapolis!
But Raindogs is a brilliant tune, The Piano Has Been Drinking is also fantastic, i am gonna have to dig it out again, as its one hell of a tune.
Downbound Train was written by Bruce Springsteen but its still great :D
One album that would really scare you is Swordfishtrombones. Thats got some seriously weird stuff on it. But then on the contrast Used songs has a good mixture with my favourite track over all which is Heartattack and Vine.