Now you need to fold the paper from one side of the image to create the back of the card. To make this job easy, use your ruler and back of the craft knife blade to score along that edge of the image. It is now easy to make the fold in that exact position.

Now, using your craft knife and ruler, trim off the excess paper around your print of your photo. Be sure to hold your ruler over the print and cut so that if you slip with the craft knife, you can only cut into the excess paper you are cutting away anyway.

Hold the ruler tightly in place until you are sure you have cut through the two layers of paper. Sometimes two or three cuts alongside the ruler may be necessary. A sharp blade makes this process much easier, also.

You could perhaps use a calligraphy pen to write inside for more of that homemade effect. Make sure you practice on cutoff paper first to check the ink does not bleed into the paper.

And that's it: a very easy and very effective way to make your own unique greeting cards.