More to explore:
Quick tips: Mixing and Matching Fonts @katrina for your subway art
Tips to Mixing Matching Fonts
Graphic design tips for mixing & matching fonts #typography
Not free fonts but great tips on mixing and matching fonts
interesting tips on how to mix fonts (of all things!)
We Lived Happily Ever After...Free Christmas Fonts
mixing and matching fonts
Fontaholic: Mixing and Matching Fonts .. although for design novices I'd say mixing a max of three fonts is a better rule.
How to Mix Fonts - Designs By Nicole - maybe for DIY invitations
Favorite Fashion Fonts | angieamakes.com
My Favorite Pretty + Free Fonts
Yellow Bliss Road: Favorite Free Chalkboard Font Combos (and My Official Name Change!!)
Free Fonts and mix & match combination ideas at the36thavenue.com
Serif vs Sans Serif—I don't necessarily agree with this, but the topic is near and dear to my heart.
how to mix & match fonts poster