Hi, great site!
Noticed that the Tom Waits page is in need of updating, so here goes, all cover songs of Tom Waits originals:
Missing covers for songs already in the list:
"Jersey Girl" - covered by Bruce Springsteen, Released on: Live 1975 [BOX SET] (1992)
"Heartattack and Vine" - covered by John Hammond, Released on: Wicked Grin (2001)
"Heartattack and Vine" - covered by Nels Cline, Released on: New Coat of Paint: Songs of Tom Waits (2000)
"Jockey Full of Bourbon" - covered by John Hammond, Released on: Wicked Grin (2001)
"Temptation" - covered by Diana Krall, Released on: The Girl In The Other Room (2004)
"Pasties and a G-String" - covered by Andre Williams, Released on: New Coat of Paint: Songs of Tom Waits (2000)
"Christmas Card from a Hooker in Minneapolis" - covered by Neko Case, Released on: New Coat of Paint: Songs of Tom Waits (2000)
"Ruby's Arms" - Covered by Megan Mullally... but hard to find exact info about. If I understood correctly, it was released on an album called "The Sweetheart Break-In", possibly with a band name "The Supreme Music Program"... don't know when. Here's the best reference to the album I could find: http://www.mrlucky.com/html/music/reviews30_39/rev30b.html
Missing covers for songs not yet in the list:
"Take It With Me" - covered by Megan Mullally, released on "Big As a Berry" (2002) - Original on Mule Variations (1999)
"Whistlin' Past the Graveyard" - covered by Screamin' Jay Hawkins, Released on: New Coat of Paint: Songs of Tom Waits (2000) - Original on Blue Valentine (1978)
"Virginia Avenue" - covered by Knoxville Girls, Released on: New Coat of Paint: Songs of Tom Waits (2000) - Original on Closing Time (1973)
"Romeo Is Bleeding" - covered by Dexter Romweber, Released on: New Coat of Paint: Songs of Tom Waits (2000) - Original on Blue Valentine (1978)
"New Coat of Paint" - covered by Lee Rocker, Released on: New Coat of Paint: Songs of Tom Waits (2000) - Original on The Heart of Saturday Night (1974)
"Broken Bicycles" - covered by Botanica, Released on: New Coat of Paint: Songs of Tom Waits (2000) - Original on One From the Heart (1982)
"Old Boyfriends" - covered by Preacher Boy, Released on: New Coat of Paint: Songs of Tom Waits (2000) - Original on One From the Heart (1982)
"Please Call Me, Baby" - covered by Sally Norvell, Released on: New Coat of Paint: Songs of Tom Waits (2000) - Original on The Heart of Saturday Night (1974)
"On The Nickel"- covered by Carla Bozulich, Released on: New Coat of Paint: Songs of Tom Waits (2000) - Original on Heart Attack And Vine (1980)
"Muriel" - covered by Eleni Mandell, Released on: New Coat of Paint: Songs of Tom Waits (2000) - Original on "Foreign Affairs" (1977)
"Poncho's Lament"- covered by The Blacks, Released on: New Coat of Paint: Songs of Tom Waits (2000) - Original on Early Years, Vol 1. (1991)
"Blue Skies"- covered by Floyd Dixon, Released on: New Coat of Paint: Songs of Tom Waits (2000) - Original on Early Years, Vol 2. (1998)
The following songs are covered by John Hammond, Released on: Wicked Grin (2001):
"Clap Hands" - Original on "Rain Dogs" (1985)
"'Till the Money Runs Out" - Original on "Heart Attack And Vine" (1980)
"16 Shells From a Thirty-Ought Six" - Original on "Swordfishtrombones" (1982)
"Get Behind the Mule" - Original on "Mule Variations" (1999)
"Shore Leave" - Original on "Swordfishtrombones" (1982)
"Big Black Mariah" - Original on "Rain Dogs" (1985)
"Murder In The Red Barn" - Original on "Bone Machine" (1992)
There are plenty more, but I don't have the time to do the research on them at the moment.
Hope to see those added! 
