There are two versions of A is for Apple one in Photodex for those with the appropriate viewer and a low res version in YouTube.
The photodex version can be run in full screen mode when the image appears right click on it and select full screen.
Photodex Corporation - Online Content Sharing - View Content
If you click on the YouTube version when it is running it will open in the YouTube site, the picture will be about 20% bigger and that anoying YouTube logo disappears.