Presentation for job seekers with 50-300 LinkedIn connection by Daniel Alfon (at DBM Israel)
Parts 2,3 & 4 are also available [but are not free downloads]. They deal with Connections; Groups; Recommendations; Virtual Road Shows; Using LinkedIn Rich Media,API and more
I have lectured to several startup accelerators about Advanced LinkedIn strategies, but this document is focused on job hunt
Clipping is a handy way to collect important slides you want to go back to later.