The 2 main causes for this problem are that your file names have spaces or invalid characters in them or the files are not saved properly.
To remedy the first, please rename your file to something simple like, 1.jpg, 2.jpg, 3.jpg...
To remedy the second issue, open the files in Photoshop and re-save them as jpegs using the "Save For Web" method.
Article ID: 17, Created: March 27, 2009 at 1:09 AM, Modified: March 27, 2009 at 1:09 AM