I need to have some limitation on file downloading because of my low is speed downloading, so I installed your Get into my Ubuntu, which has a bandwidth limitation, but my problem is the agent doesn't have good Firefox add-ons. I prefer to use the Download them all extensions of Firefox, because of its higher number of options, but I also prefer to have downloaded in separate software for Firefox because of crashing my Firefox for some reason (opening too many tabs and...).
How could it be done better? Is there any alternative to get? (I have installed XDM Download Manager also in my Ubuntu, but it doesn't start in my Ubuntu as you can see here: