I use jAlbum for my photos and embed the album in pages using the extra content plus stack. This works perfectly except in portrait mode on an iPhone which truncates the page to ess than 1/2 height. I contacted the jAlbum support team and this was the response:
Your iframe is in this tag on your page:
Is there any way I can fix this? Goto this link and you will see what I mean, also select any image to see further.