Get an RSS feed of the LinkedIn users viewing your LinkedIn profile. (Many thanks to Paul Donnelly and Jonathan Trevor for the workings of this Pipe.)
Get your string by going to your "Who’s Viewed My LinkedIn Profile" page on Linkedin.com: "http://www.linkedin.com/static?key=wvmp_results&trk=ape_h071002i_9". View the source, find the URL associated with "block16" class, and extract the string in the URL after the 'equals' sign.
Pipe Web Address: http://pipes.yahoo.com/31337/f2ca7f3d76654468171776f7bea11ce9