Difficult to find a nice cover photo for your Facebook Timeline (Facebook profile).
So here are two links that can help you to get the picture that makes me want to visit your profile.
- FB Profile Covers (Often also called the name "Best FB Cover")
- Name Covers
- Cover Photoz
- FB Covers King
I also advise you to always keep a theme for your cover photos, for example, have a theme "humor", "horror", "music", "star", "holidays", ...).
Also keep in mind that your cover photos are always public, so anyone can view them.
Gook luck on your FB Timeline! ;)