How To Get BBC iPlayer on XBMC
The release of XBMC 10 (Dharma) has re-introduced a stable plugin for BBC iPlayer which will allow you to get access to BBC radio and TV broadcasts from within XBMC.
Unfortunately the plugin is not currently in the XBMC catalog so you can’t use the built in tool to add it. Instead, follow the instructions at this link to download and install it.
The link provides the full path for Linux, but if you’re a Mac user you’ll need to copy the directory to:
*USER*/Library/Application Support/XBMC/Addons/
And Windows users should copy it to:
C:\Program Files\XBMC\Addons\
If you’ve completed this successfully the iPlayer addon will show under “Video Add-Ons”:

UPDATE – APRIL 2011
Ok, so the above method still works, but Mike, who sometimes writes for us has found perhaps an easier way of doing it:
And the website that Mike mentions can be found here
Mike
thanks for video on installing iplayer on xbmc. When you go to install from zip file you have access to your desktop. How do I get desktop into my zip file list on xbmc?