Photoshop Power Effect -pattern design

It is very interesting to add pattern backing to the photo. It make the photo look more colorful.
The method is shown as below:
Press Control-N to create a new document that is 40 pixels square at 72 pixels/inch. Save the document as blue diamond.

1. Press (Edit)(Preference)(Unit & Ruler) and choose pixel as the unit.
2. Click inside the left horizontal ruler, drag out the guide and place it at 5, 20 and 35 marks.
3. Click the vertical left ruler, drag out the guide and place it at 5, 20 and 35 marks.
4. click the Rectangular Marquee tool to draw a square and fill with blue color.
5. click on the square and press Control-T to turn the free transform on.
6. Rotate the square to 45 degrees.
7. Use Magic Wand Tool to select each corner and color it with light orange, light blown,pink and light blue.
8. Click (Edit)(define-Pattern) and name the pattern as Blue Diamond.
9. Test the pattern by press Control -N to create a new document and fill it with the pattern you have just designed. Work done.

The photo of my wife,my daughter and my son with red pattern backing.

The photo of my wife, my daughter and my son with blue pattern backing.

The photo of my wife and my daughter with yellow pattern backing.