Check these out! These certainly shows the versatility of our fabulous breed!
Really gross; but cool that she uses shelties:
Bed Bug Hunting Shelties
(or try main page http://www.wftv.com/iwitness/index.html and click on either video or slide show as the video took awhile to load on my computer.
Then check out the great story of a sheltie used as an epilespsy seizure detection dog:
Sheltie as a Service Dog