Follow these steps to approve items that were donated through the "Donate Items" button on your auction page.
1) Click "Auctions" on the far left.
2) Click on "Manage Auctions".
3) Click on the Name of your auction.
4) Click on "Items".
5) Any items that are pending approval will have a green "N" tag.
6) Click on the "Edit" button to edit the item and approve it. You will see a green "Approve Item" button in to the top right corner. Once you approve the item, it will show up on your auction page.