There's different sites on the net which you can just stick your feed into. Just google RSS burner and you will find a wack of sites which allow you to do this
not sure if this is what your looking for. http://forums.digitalpoint.com/showthread.php?t=47813 you put the xml url in a text file, php file on the server side and the coding snippet into your site source. it has work great for me. i use on about 10 sites. pm me and i can send you details