This extension makes easier to download images from Flickr.com in any available size. You don't need to click to "All sizes". Simply click to the extension icon and select size you want to download.
This is beta version and if you find some bug or you want to have implemented any special feature, please contact me on firstname.lastname@example.org.
1) Downloaded filename is id-image-name (example: photo with name National Theatre, Prague and ID 8085498430 will produce file 8085498430-national-theatre-prague.jpg)
2) By clicking on the extension's icon you can download the image or open the jpg image in a new tab
3) The extension can find images on most of flickr.com pages (recent, user photos, sets, etc.)
Disclaimer: Don't use this extension to download images that you don't have permission to.