To get the plugin just Google "videolan" or CLICK HERE FOR DOWNLOAD for Windows. There is a MAC version as well. Disable the Quicktime plugin if you use Videolan.
If you want to save photos to your computer, click the box under the thumbnails of the photos you want to download. Then click the "Download" button at the top of the album. Pick the size you'd like to download (Original is best)and the photos will be downloaded to a folder of your choice.