Find or take a photo of your choice
Open the photo in Photoshop
Once the photo is open, go to the Layers Palette fly out menu and duplicate the layer
Double click on the Background Copy layer words and rename them “Duplicate Layer”
Turn off the visibility of the layer by clicking on the “eye” icon
Double click on the Background layer words and rename “blur”
Go to Filter – Blur – Motion Blur
Set the sliders for angle and distance to your choice.
In the Layers Palette, click on the “eye” icon on the Duplicate Layer to make it visible again.
Click on the Duplicate Layer to Select
Set the feather to 10 px
Draw a lose path around the subjects.
Go to the Select Menu choose Inverse, then click the Delete key on the keyboard
Go to your Layer Palette and choose Flatten Image.
Go to File and Save As MotionBlur_name.jpg
Then File and Save for the web, post the before and after to your blog with a paragraph description.