http://archive.foolz.us/tv/thread/31447047/http://dnsev.github.com/4cs/Silver Linings Playbook was broken into MP4 chunks, encoded into JPEGs whose appearance is a screengrab of each chunk, and with the userscript installed the script strips off the header, rewrites it as a blob and points a VIDEO element at the blob. As someone who remembers Lithursday on /b/, this is probably worth detecting and blocking for the same reasons. The image is the OP image for analysis by whichever devmod cares to pick it apart.