Motion Blur

Step 1
Select a picture of your choice and Use the selection tool of your choice to draw a selection around the main subject.

Step 2

 Copy The Selected Area To A New Layer. Go to Layer > New > Layer via Copy.

The preview thumbnail shows us what's on each layer.





step 3

Apply The Motion Blur Filter

Go to Filter > Blur > Motion Blur.






Step 4
Adjust the angle of the blur to match your subject's direction of motion, then set the length of the blur streaks with the Distance slider.






Faint motion blur streaks now appear in front of the subject




Step 5

Multiple copies of "Layer 1" appear above the original in the Layers palette.

Duplicate The Motion Blur Layer Several Times.





The race car is now temporarily hidden behind the motion blur streaks

Step 6

Click on the top layer, then hold Shift and click on "Layer 1" to select all motion blur layers at once.

Step 7

Go to Layer > Merge Layers to merge all selected layers down to a single layer.

All motion blur layers are now merged onto a single layer.

Step 8

Click on the Layer Mask icon to add a layer mask to the motion blur layer.

 Step 9

Select the Gradient Tool.

Step 10

Select the black to white gradient by clicking on it in the selection box.

Step 11

Drag out a black to white gradient on the layer mask to create a "fade in" area for the blur streaks.

The gradient appears in the layer mask thumbnail in the Layers palette

The final motion trail effect.