Try to disable hardware acceleration in Firefox (you need to close and restart Firefox).

• Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"
• https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

• Do NOT click the Reset button on the Safe Mode start window.

• https://support.mozilla.org/kb/Safe+Mode
• https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

Neither of these solutions work for me. I'm suspecting it's a Firefox problem.

Try see this help article:

• Fix problems that cause images to not show

None of those solutions seem to work

This is still a problem!!!!!! Very annoying since I frequent reddit, where a sizable portion of posts are gifs that will crash Firefox when I open them!

I solved this by upgrading to Firefox 27 beta. It's supposed to release this month anyway!

Note that installing a beta version will put you on the Beta update channel.
r Firefox 27.0 should be released next Tuesday (Feb 4), so do not forget to install the official release or you will keep receiving updates twice a week (Tuesday and Friday).

Alrighty sounds good. Thanks for the info