Change main.exe font and size

I've already searched and i didn't found anything that could really help.

I know that i have to open main with olly then find CreateFontA but after this how can i change the font size?

http://i.imgur.com/7gZPUTA.jpg
http://i.imgur.com/2c0Yyvl.jpg
http://i.imgur.com/NCSKqvk.jpg

Thnx

i'm too, i want change font character sets

Anyone?