I've got that on my phone! I got it by holding my phone up to the speaker on a 767 ,pressing the test button and recording it myself. It drives the wife mad
and yes I know I'm sad but its better than the bl***y crazy frog!
Sorry I can't help you with a down load site though.
Rgds Dr I
P.S. I am thinking of replacing it with the Jerico's trumpet scream of the Stuka what do you think?