When taking a picture PLEASE dont take it on your camera phone, no matter how amazing the quality might be on your phone in photoshop it will look pants, as will the result.
You will have a much better response if you take a good high quality picture of the WHOLE car.
Also, PLEASE ensure your car isnt caked in mud, again makes the process of photoshopping much more difficult, and people wont bother.
Examples of Bad.
Exhibit A - Camera Phone Picture

Exhibit B - Awful Angle And parts of the body work cut off.

Exhibit C - Sun Glare (its as bad as snow or Mud)

Exhibit D - If wanting a wheel change please get low to the ground and take a 'square on pic'.

Exhibit E - Rain

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What to aim for




No harm meant if your pic is classed as a 'bad one', but you will get a MUCH better result if the picture is of decent quality and at a good angle.
If you're asking for modifications (such as spot lights, grilles, arches etc et..) please try and supply a good quality picture of the part you want. This makes it much easier for the photoshop wizards to put together your request.
If you ask for a signature, include a suggestion of another member's who's style you like to give use something to work with.
Hope this helps. It will get you a MUCH better response by the people who use photoshop and a much better result.