This year, I didn't go "all out" with the Valentines we sent. In fact, I let Paper Source do the most of the work for me with their heart-shaped cards. (I don't see this particular one on their site, but they do have others.)
I did hand-stamp them, but I did not make envelopes. (Gasp!) However, I decorated the envelopes, which I think counts for something:
Oh yeah -- I also made 94 Valentine-y buttons for my co-workers:
And the Valentine's "mailboxes" at work were a total hit! I took a photo of them after they were all full -- I'll post that soon.