When I did I discovered an error with the installation/download.
Deck Error 2.JPG (67.45K)
Number of downloads: 12
Notice there is a second folder in there.
Here are the contents of both folders.
Deck Error 3.JPG (109.86K)
Number of downloads: 14
Notice the deck files for example, one of them contains most of the cards, the other contains some of the recent ones and also some decks are contained in both folders, Hoenn for example.
Deck Error 4.JPG (123.3K)
Number of downloads: 15
Notice the summer 2011 cards contained in the 2nd folder (The smaller one) but not in the first, while the Bill and Ben card (World of Mana) is in both.