Originally Posted by slayda
Another bit of knowledge is that Open Type Fonts do not work (i.e. they don't show up - at least in OpenInkPot firmware) even though they might have a .ttf extension. In windows (in the C:\Windows\Fonts folders) you can tell the True Type Fonts from the Open Type Fonts by the incons. The True Type Fonts icon has a double "T" while the Open Type Fonts incon has an "O".
I've downloaded an Open Type Font (District Thin) and tested it on my V3. It works pretty well.