Steadyflow is a download manager which aims for minimalism, ease of use, and a clean, malleable codebase. It should be easy to control, whether from the GUI, commandline, or D-Bus.
Install Steadyflow on ubuntu 11.04
Open the terminal and run the following commands
sudo add-apt-repository ppa:sikon/steadyflow
sudo apt-get update
sudo apt-get install steadyflow