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
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3. At the right panel, you can see Crop tools. click it
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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
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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.
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8. u are almost done, go to Image>Image size.. u must confirm again that the resolution is correct.
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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.
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Credit : Raunamaxtor