Ultimate Widgets is a plugin which includes several widgets with a style unique covering many different things you may need to add to your website.
Adds eight new widgets you can use in your sidebar.
Flickr Album Gallery is an awesome gallery plugin to display your Flickr Albums on your WordPress blog.
A Flickr WordPress plugin to display your photos either as a gallery, a galleria or a unbranded slideshow in posts, pages, and sidebar widgets.
Easily add Social Media Icons to your WordPress Site
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