This article, released by USIP in 2012, situates strategic advising within the context of Afghanistan, and recounts a specific instance in which USIP representatives have partnered with local actors to strengthen governance and combat corruption in the currently transitioning state.
Special Warfare magazine had an issue on "Advisory Missions: Who does what, where and when?" (Vol.21-I, Jan/Feb 2008). In particular the contribution of Lt.Col. Mark Grdovic is useful, "The Advisory Challenge", pp.22-28.
Grdovic discusses critical skills an advisor should have, based on his experience. Concepts that are highlighted include the importance of getting to know the counterpart, trust, respect, credibility and to establish a relationship with the counterpart.
"U.S. Army Counterinsurgency and Contingency Operations Doctrine, 1942-1976", by Andrew J. Birtle (2006), in particular Chapter 7 "Putting Doctrine to the Test: The Advisory Experience, 1955–1975 (pp.291-360)
If you want to learn more about advising and how to partner with local actors, you'll find a link on this page to extra reading material regarding strategic advising in Afghanistan.