I don't know how far back you want this data but last year's data can be found at the following link: http://sports.iwon.com/nfl/stats/league/passesdropped.html
terrell owens
Braylon Edwards lead the NFL with dropped passes in 2007.
Cleveland browns
indianapolis colts
myles Austin
Dropped passes are a difficult stat to locate, but in 2006 I'm fairly certain it was the Indianapolis Colts.
Randy Moss
New York Giants
Minnesota Vikings
The Kansas City Chiefs, with more than 50.
33 dropped passes. Second most in NFL for this year.
Braylan Edwards (NYJ) formerly Cleveland