Tutorial 1: E-WallPaper process

First of all, open your Photoshop application.

Open a new file and you will see this:

Choose an international paper size A4 and name it as you want as the project name.

This blank layer will appear as your background:

Open the pictures you would like to use and edit using the file-open-choose image file-ok.
Your pictures will appear in a different tabs.

If you want to use selecting tools as a cropper, you can use magic wand or quick selection tool, because it is easy to use and save time. Just press 'w' and then select the things you want to select before you crop, and blinking dash will appear as follow:

Then you can just drag the image into your blank paper, the edges of cropping might still look bad, but ofcourse you can still edit the rough edges using any other tools such as eraser, or maybe you can use the magic wand at the start with a more careful process by using zoom-in and zoom-out process so you can select it in more detail view.

Do this repeatedly through your selected image that you already opened.

So here are the basic images I used to create my e-wallpaper project: