firstly u must know which resolution that ur phone use. for ex: 128x128, 176x220 or 240x320
if u want to make a wallpaper u must have:
- wallpaper collection
- adobe photoshop 7.0 or above
ok let start now..
1. Run Adobe photoshop
2. Go to File>Open>wallpaper or picture
3. At the right panel, you can see Crop tools. click it
4. At the top of the panel, you will see width blank box and Height blank box
5. Fill the number of resolution at the blank box. for Ex: Width 176 Height 220
6. ok,then Drag ur point to the picture which ur like.. also u can move the picture using the cursor
7. after that u must proceeding crop picture at the right corner on top.
8. u are almost done, go to Image>Image size.. u must confirm again that the resolution is correct.
9. Now u can save ur wallpaper.. Go to File>Save as.. (choose directory).. save as .jpg
10. Done! u have own ur wallpaper.. share with us what u have done.
Credit : Raunamaxtor