here's some instructions....
1. save the blinkie to your computer (right-click, Save (image) as)
2. go to photobucket.com, or your image hosting of choice - upload the blinkie
3. copy the DIRECT link from photobucket (or similar site)
4. come back here to the forum, go to User CP (up top, left-hand side)
5. choose edit signature, under settings & options (left-hand side)
6. click on insert image icon, looks like this:
7. paste the DIRECT LINK from photobucket (or similar site) - make sure you delete the http:// before pasting your link
8. click preview signature to see if it worked.. if so, click save signature and viola!