Have you tried printing them from the computer? This is what I do - fairly quick, and I can have several different verses, as well as change the font and color. There have been a number of threads about this, probably in the "general" forum. I would be glad to give more details if you need them.
On the other hand, I can't really help. It is too late for this year, but
http://www.eurekastamps.com/
does have some - they have good prices but shipping is at a snail's pace. They sometimes have very good sales.
Christmas sayings stamps needed!
