nice background

This is the tutorial to describe how to prepare a shiny colorful background.

create a new document sized 1920×1200 pixels with all the default settings and add in a color of #96a0f9 to the background.

Create a new one layer. Select Brush Tool and a soft round brush with size about 200 px. Make a couple of strokes, using different colors, for example #ff7afd, #4d57d2, #4ccaff and #bda2f3.

Apply Filter > Blur > Gaussian Blur with the next presets:

After that use Filter > Blur > Motion Blur with similar settings to these:

Merge all layers in one and apply one more Filter > Texture > Texturizer using the next presets:

Select some floral brush set , apply brush and then apply dodge tool

use pen tool with white color to draw some curves

duplicate layer and modify copied layer with Direct Selection Tool. Actually, you can change the color of the shape to see the difference.

Set fill opacity to 0% up for each of four shapes and apply the Drop Shadow and Inner Glow layer styles to each layer.

duplicate all of four layers, then press Ctrl+T to to miniaturize it, rotate 180 degrees and move into the upper right corner of the canvas.

Get out the Custom Shape Tool and select Flower Shape

make couple of flowers, apply white color

now apply the Outer Glow, Gradient Overlay and Stroke layer styles to each of flowers.

try to add some star, dotts of white color with brush tool

use brush tool and white color and apply three strokes like image below

apply Filter > Blur > Gaussian Blur with similar settings to these:

change layer mode to overlay

We are done !! :)

Credit: http://www.photoshopstar.com/