Remove the 32 bpp setting and use 24 bpp instead. You can try to run shotfactory.py -vvv (for very very verbose output) to see the exact commands that the shotfactory script is trying to run.
23.
%(count)d screenshots
24.
You cannot add browsers to a factory created by others.
25.
<a href="/paypal/email">Click here to change</a>
26.
Now, please link to browsershots.org from your website with link codes below.
27.
For example, you could save the following in /usr/local/bin/opera-newpage and then enter opera-newpage in the browser command field: