I have created a ListPicker control for a user to change his or her background, but not all of the information is populated correctly in the ListPicker control. The problem aris
Since you get the large list of items in the ListPicker, you need to create a template for it too. You only have the ItemTemplate at the moment. The property is called FullModeItemTemplate and the example of how to do that is shown here:
http://windowsphonegeek.com/articles/listpicker-for-wp7-in-depth