I can reproduce exactly the same the behavior on my machine. Kubuntu - Hardy with the todays update installed.
Adding the -d option works, so trickle -u 8 -d 1000 wget -c http://neacm.fe.up.pt/pub/ubuntu-releases/gutsy/ubuntu-7.10-desktop-i386.iso limits the download spped to 1000 K/s
I can reproduce exactly the same the behavior on my machine.
Kubuntu - Hardy with the todays update installed.
Adding the -d option works, so neacm.fe. up.pt/pub/ ubuntu- releases/ gutsy/ubuntu- 7.10-desktop- i386.iso
trickle -u 8 -d 1000 wget -c http://
limits the download spped to 1000 K/s