If you are using windows, you will need to download and install ImageMagick.  ImageMagick is a free third party tool that handles the conversion of many different file formats.  Its used to convert the images to small thumbnails.

[Windows Download Link|http://www.imagemagick.org/script/binary-releases.php#windows]

I generally get the top link via HTTP.

[attachments|imagemagick_link.png]