Printers ready? Here's a super resource for freezer cooking: printable labels for frozen foods. They've got that Martha style, but come with a super innovation: an embedded calendar to make it easy to mark the "frozen on" date.
Martha advises using a full-page label paper to create stick-on labels, but it's simpler and cheaper to print on inkjet paper and slide the label between double freezer bags.
The printable is in .pdf format, so you'll need the free Adobe Reader to print: