Originally Posted by Rugby
I switched over to GD2 and that makes the image much easier to read. Is is possible to replace the 2 fonts (bullpen_.ttf and eflb.ttf) that are in the captcha/fonts directory with something else to help clear up the generated image further?

Thanks!

Yes, the font's and backgrounds are read dynamically at the time of the CAPTCHA generation. So you can use any .ttf font you'd like. One thing to note, there is a bit of a blur put on all fonts. You don't want to clear of an edge to the font as it makes it much easier to crack the CAPTCHA.