Raygun Feature Request

The "zap gun" header is pretty, but image download is quite slow (and for some reason isn't cached), so I go to click on a link, and then the image appears, everything gets pushed down, and I click on the wrong thing. (And yes, the image download is slow on the company Internet connection, not just on my home "every bit individually transported by its own sheep" home connection!)

It would be great to have an option for text-only email (HTML, sure, just without the linked image).