This tutorial will show you how to create sun day themed wallpaper.

For the beginning create a new file (File>New) of 1280x1024 px and 72 dpi. Select the Rectangle Tool (U) to stretch the element on the whole layer to represent the backside background. Select then the Blending Options>Gradient Overlay to set the next parameters, demonstrated below:





This is the way the new background should look like:



On a new layer we’ll represent the grass. In this case we’ll select the Brush Tool (B)

Brush Tool (B). The brush tool is used for making good backgrounds and also on new layers they have different types so that you get a different effect with every brush you use.'); return false">Brush Tool (B) and two standard brushes of two types, as it is indicated below:



Set both black colors on the tools’ panel:



… and represent the grass the next picture indicates it:



Continue by representing the rainbow, drawing firstly a line by applying the same method we did with the background:



Set the next indicated parameters:





We’ve got a rainbow line:



Create a new layer, marking it on the layers’ palette both with the line’s layer. Press Ctrl+E for the layers to be put together:



Select after that Filter>Distort>Shear to modify the line as it is shown below:



You must get the same thing:



Turn it over with Free Transform option (Ctrl+T)



Increase the lightness (Ctrl+U):



thanks to: http://www.tutorialkit.com/tutorials/Sun-Day-Design-91679.html