In fullscreen mode, avoid an extra HTTP round-trip to re-validate the preloaded image.
[pr0n] / perl /
drwxr-xr-x   ..
drwxr-xr-x - Sesse
-rwxr-xr-x 2113 pr0n-upload.pl
-rwxr-xr-x 3721 update-image-cache.pl
-rwxr-xr-x 2714 update-image-info.pl