For a free extension, Facebook Photo Albums does a very good job. works as advertised.
Ease of use
Easy to use, tho I missed some steps, no fault of the developer.
One of the best I must admit. He was on it quite fast and I'm sure there is a time difference between him and me.
Follow the steps; and get your FB Access Token as follows: http://www.graphicaholic.com/downloads/FacebookFanPage/AccessTokenDocs.pdf