DIY Envelope from a Heart
Complete instructions for how to make your own envelopes from a pad of 12x12 scrapbook paper. She made 360 envelopes for only $10. And they are SO cute!
Free printable mini envelope template
over 100 envelope templates and tutorials
How to for envelope that will hold embellished cards.
Easy Diagonal Plate Card Box (open)—Fits 6-10 cards with envelopes
DIY envelopes - a great use for all that scrapbooking paper (that is clearly not being used for scrapbooking)