As I’m not an experience gimp nor any graphic authoring tools user, I had been struggling for few hours to make this button. Yes, few hours. I was desperately ended up to find a correct font and picture for the banner. No luck. Then I finally found this site to automate the banner making (duh!). For the picture, I use the small-tiny-globe from Planet 80×15 banner.
You can find the file here and use it accordingly.