For people to which this little guide doesn't seem to help, then try contacting your ISP and asking them what the deal is: some ISPs slow down P2P traffic coming their way on purpose.
Also, for all of you people who think that setting your upload speed very low will increase bandwidth allocated to dld you've got it all wrong: Dld and Upload Bandwidths (at least in DSL/Cable) usedifferent, uh, "slots", so to speak.
iMac G4 OSX 10.3.9
LW 4.10.5 Basic
ADSL anything from 3 to 8Mbps/around 1024kbps
"Raise your can of Beer on high
And seal your fate forever
Our best years have passed us by
The Golden Age Of Leather"
-Blue Öyster Cult-