Here is a round up of free printable labels for your home made jams, salsa, relish, etc!
Merriment Design: modern and adorable
Domestifluff: simple and also adorable
Wendolonia: lemon, lime & oranges for you to customize.
Eat Drink Chic: so damn cute that I want to print them out and put them on all the jars that are already in my fridge.
HP: Sweet vintage designs from HP
...and of course, the woman who needs no introduction, Martha Stewart- enough said.