Captcha using TTF & GD

[a_berezin]

I updated to v1.34 CAPTCHA on the server running PHP4 and the CAPTCHA image still displays. But font size remains tiny. Changing values for 'Chars minimum size' and 'Chars maximum size 'has no effect.

Similar that there are no fonts found.

I am not understanding the meaning of "(1.0=Image Height)". Is that reference to pixel size or relative aspect ratio or some percentage of something?

Yes its a ratio. 1 corresponds to height of the image. 0.9 - 0.9 from height, 0.8 - 0.8 heights etc.