Here is an example of a full 5x7 folded card as a spread. Front, inside, back.  The image would be on the inside spread and the back with our logo is empty for a hand written message or love note.

Here's an example with an image inside. It would be folded down the center.

Other past cards and new ideas... (The first few examples have text on the inside the rest are text only on the cover. Image only on the inside.

If you choose a vertical image the card cover will be horizontal and open up (if that makes sense!) A horizontal image will open like the above example.