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Jojo's Bizarre Adventure - Diamond is Unbreakable Background Menu Video

I recommend you download this first if you haven't already.
http://steamproxy.net/sharedfiles/filedetails/?id=298797334

GFC is needed in order to access the file.
https://gamebanana.com/tools/download/6792

1. Download the mod from the workshop
2. Run the game and let the addon load then exit the game
3. Run GCFScape
-Click file and open
-Go to the L4D2 workshop file which should be C:\Program Files (x86)\Steam\steamapps\common\Left 4 Dead 2\left4dead2\addons\workshop
4. Find and open the vpk file that has this number on it: 708879367 (use ctrl + F to make it easier)
5. Open the media file and extract all of its content to anywhere (to desktop would be easier)
-Close GCFScape when you're done.
6. Now go to C:\Program Files (x86)\Steam\steamapps\common\Left 4 Dead 2\left4dead2\media and drag all of the l4d2_background files from your desktop (or whatever place you put them in) into the folder.
7. Run L4D2 and it should show up.