Near the top right of your screen under the green google
search box click
a drop down list appears
click edit signature
when that page opens
near the bottom choose "option 2" to upload
a signature picture
At this time it's easiest if your states map is on
your desk top.
When I chose my map I used the smallest one they
If you are trying to upload a map that's too large that
may be your problem.
The signature picture uploader says
The maximum size of your custom image is 468 by 60 pixels or 19.5 KB (whichever is smaller).
That's not too small but again, I used the smallest
one I could get at
Visited States Map by epgSoft
Hope this helps!
It's been a while since I uploaded mine.
(We need to get on the road to some new places!)