I am having some trouble with ImageMagick.
I have installed GhostScript v9.00 and ImageMagick-6.6.7-1-Q16 on Windows 7 - 32Bit
When I run the following comma
I found this solution which convert all pages in the pdf to a single jpg image:
montage input.pdf -mode Concatenate -tile 1x output.jpg
montage is included in ImageMagick.
Tested on ImageMagick 6.7.7-10 on Ubuntu 13.04.