Flickr Album Gallery is an awesome gallery plugin to display your Flickr Albums on your WordPress blog.
Simple Flickr Photostream widget allow you display pictures from Flickr in a widgetized area of you choice. Based on the WP 2.7 widget model
Flickr Gallery increases your influence on Flickr by combining images from multiple accounts into a single, automatically updating gallery.
Display a gallery of your Flickr Photostream and Favourites on your website.