FlickrPhotogallery allows you to insert one (or more) image gallery (retrieved from Flickr) into your posts using a shortcode;
You can also use the built-in widget to insert the gallery into the sidebars.
The plugin allows to retrieve:
* Public images
* User-specific images
* Photoset-specific images
* Group images
It is also possible to choose to show the image gallery as an unordered list or as a slideshow, in this case you can select the dimension of it.