PPCGeeks - S2U2 Changing wallpaper

I'm sorry but I'm having horrible luck with this. I've gone into the picture I want as a wallpaper and switched it's name it "wallpaper" and then replaced it with the flower one. The I did the same thing with the landscape picture, but I renamed my picture to say "wallpaperL" and replaced the lake one. but now it only shows my landscape picture. it shows it in both portrait and landscape. I have ben at this for awhile and can not figure out why it's doing this. Such a small thing can frustrate someone so much lol, blaahh help please?

EDIT: whoops didnt see this was in the HTC Vouge Forums. I have an HTC Touch Pro but i don't think that matters, does it?