Picture Pack is a package that offers you maximum exposure by providing all these options for a single fee:
Supersize all your pictures (1,000 pixels on the longest side). Larger pictures display at the bottom of the View Item page and also display in a separate window that the buyer can open from the top of the page.
Display Gallery pictures when your item is included in search results and merchandising panels.
Restrictions and notes:
Exclusively for listings using eBay Picture Hosting.
Recommended size for uploaded pictures is 1000 pixels or more on the longest side. Note: Stretching your pictures with your own software before submitting for Supersize is not recommended.
Only the Standard layout can be selected when using Supersize with Listing Designer.