Imgur Gallery Downloader works only on imgur.com.
With this extension You can download whole galleries with X pictures on imgur.
When you install this extension go to imgur, open some gallery and you will see blue button right after imgur logo in header of website, click on that button (or press "d" on your keyboard) and download will automatically start.
You can download only one gallery at the time.
To stop downloading press "d" again or click on download button while gallery is downloading, after that you will be asked to confirm stop in prompt, click on "Yes" to stop download, or on "No" to continue with download.
Download is not available for galleries with just 1 picture.
All downloaded galleries can be found in your download directory. Every downloaded gallery has own separated directory.