Ipad app store sample image sizes

I am about to send in my app to apple for testing but I dont know what the sample image sizes are for the开发者_如何学JAVA images that appear in the app store.

I know that the big icon of your app is 512x512.

Does anybody know?

Quote from iPhone development web page: Screen shots for iPad applications

iTunes Connect requires metadata for iPad app submissions to include a screenshot that meets the following criteria:

* In at least one of the following pixel dimensions:
      o 1024 x 768
      o 768 x 1024
      o 1004 x 768
      o 748 x 1024