GlobalMsg

[jacobmp92]

About two years ago I was always experimenting with forum signatures. One of the the old forums I was at (the dreaded Game Maker forums) had very strict rules about signatures. There was always someone complaining about the size of signatures. So, I started a project called SigExplode. You would put a small image in your signature and, when clicked on, you would be taken to a larger version on a new page. The project was a hit. 10+ members were joining per day.
Somehow, though, the project died down. In July of 2004, I had a new idea. What if you could have a "global" signature? The new image signature was using live updates with PHP and GD. You could set an away or available status, type a short message in the image (using the control panel) and pick a theme for it. I bought a domain (globalmsg.com).
Just last week, I installed a major upgrade. You can now pick fonts, colors, have mutiple lines, and custom statuses. PNG alpha-transparency is supported.
There is also a client to install on your computer (written in PB ), but I had to disable it because of the control panel upgrades.

Basically, you put the image in your signature (look at my signature for an example) and people can click on it for a larger version. Put it anywhere you want. Instead of changing lots of forum signatures to say you are "On Vacation", you can simply login to the GlobalMsg control panel (or use the client) to change your status.

I wrote and designed the backend, and Chris at Comitar Media did the frontend and made it look nice.

Sign up at http://globalmsg.com/

[GeoTrail]

Dynamically created image can be misued, there are lots of sites offering free dynamic sigs, but many forums disallow them for security reasons.
I made my own Gmail invites signature using the Gmail lib and PHP some time ago. Still have some of the code laying around I think.

[jacobmp92]

True, I know IPB disallowes them. Right click on my signature image. Notice how it is .png and not .php or .cgi? That is because when the image is updates, it creates username.png in the main folder. So, technically, the images are not dynamic. Now, the images can be used anywhere.

[GeoTrail]

Yes, I know what you mean, done that myself along time. But it is still a dynamic image.

See here