In my Metro app, I have some code that builds up a TileWidePeekImageCollection06 (I assume this question applies to TileWidePeekImageCollection05, too), as shown here.
If I supply 6 images, then the sixth is shown in the "peek" along with the text, if I supply 5 then it looks like the fifth is shown with the text. However, if I supply less than 5 images, I can't seem to determine which is shown.
What are the rules for this? I need to know because the text shown in the "peek" with a single image needs to relate specifically to that image.