Neil Covers on Live365 - Mansion On The Hill
An internet radio station on Live365 - Mansion On The Hill is playing Neil Young cover tunes. Cool stuff like kd lang's latest Neil cover of "Helpless".
Also, there's an interesting thread on Velvet Rope on Neil covers like:
sonic youth: 'computer age'
golden smog: 'on the beach'
pixies: 'i've been waiting for you'
mercury rev: 'motion pictures'
Natalie Merchant - After the Gold Rush
Dave Matthews - Cortez the Killer
Low & Dirty Three - Down By the River
Trip Shakespear - Helpless
Charthogs - Mr. Soul
For more on Neil covers, see Bands Covering Neil Young songs.