[newbie] huge fonts!

[Tom Picot]

Hi, I run mandrake 8. I changed X to the 4.x version using mandrakes setup program (can't rem the name, but, it let's you change the version running. So, I changed from 3.x to 4.x and now X has HUGE fonts. Everythings giant. What should I do?!   Thanks for any help.   Tom.