Where can I get free tarot cards images to print?
The most popular version in the English speaking world is the Rider-Waite Tarot cards. These were published in the early 20th century.

This site has The Pictorial Key to the Tarot that contains B/W images of the Tarot cards (clicking those opens fair quality scans in color). The book and the images predate U.S. copyright laws.

These images here are the best high quality scans I have found of these old images.