Read the following article and answer the question.

Prints from photo sets 002 - 007 can not be printed larger than 5x7 . Additionally , prints can not be made from photo set 001 due to the unconventional ( read : inconvenient ) sizes of the photos in that set . If you know the subject of the print(s ) you 'd like to order , it may be easier to look at the tags for the photo posts .

Why are the photos so difficult to see ?
Their dimensions are off .