Right now I have no other choice but to open the desired link in Firefox and then download it with DownThemAll!
It would be great to find an alternative to DownThemAll! for Chrome.
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The only one I know of is http://www.ubuntuvibes.com/2010/12/finally-download-accelerator-for-linux.html
but I would recommend using wget or torrents for large files.
To read about linux download accelerators(not for chromium) http://www.ubuntugeek.com/list-of-download-managers-available-in-ubuntu.html