All of these pictures are off of Google Images, none of them are mine!!!

I need your opinions!!! Which one should be My Ary Book cover, or should I stick with the one I'm using now?

http://www.tiverton.ri.gov/img/content/art/paint.jpg

http://www.artlex.com/ArtLex/a/images/art_word.painted.3d.JPG

https://s-media-cache-ak0.pinimg.com/236x/11/12/5a/11125a6354b8328cd1633801240495f0.jpg

http://cx.aos.ask.com/question/aq/700px-394px/different-types-art_204d7a9cb2dc22fc.jpg

http://www.my-iguru.com/ipad/assets/images/ipad-wallpapers/abstract/ipad-wallpaper-rainbow-fire.jpg

Any other ideas? Put them in the comments!!!