You can use Avery template 5390, 5392 or equivalent. The 5390 template passes will be 3-1/2" x 2.25" in size and will print 8 to a page. The 5392 template passes will be 3" x 4" in size and will print 6 to a page. You can print these in portrait or landscape mode.

The Reports Settings screen allows you to adjust the page margins for these reports.

So you don't waste the relatively expensive card paper, do a test print on regular paper. Visually compare the printout to the card paper and adjust the page margins as necessary.

Yes. You can use any of the supplied background images or one of your own. The background image can be changed in the respective settings screen.