There are plenty of Picasa web album downloaders, just like Flick downloaders. We have covered them in the past and have no reason to review more such tools. Picasa Web Album Downloader, however, is a minimalist tool for those who need an easy, lightweight, and fast alternative.
Picasa provides an RSS feed for all albums, you will find the button on the right sidebar.
Copy the RSS URL, paste it in the program, hit Download, and choose the output directory The progress will begin instantly.
Users need to change the format of the images to Jpg before viewing them. If you are using Irfanview or any other powerful image viewer, it will prompt you automatically to change the extension.