This GIMP (GNU) tutorial demonstrates how to apply a speed burst to an image’s background. To work along, you are welcome to download the Start Image I am working with Here. Unzip the file and open the image onto GIMP’s workspace.
You can quickly Undo a step at any time by pressing Ctrl then Z. Alternatively, click a previous Undo History snapshot - Windows then Dockable Dialogues then click Undo History. In addition, to Zoom in (or Zoom out) of your image; from the top menu, choose View then select a Zoom Tool from the subsequent drop-down
Ensure the Layers and the Undo History Palettes are visible, and then drag them into position over your workspace - (Windows then Dockable Dialogues - then click Layers and Undo History).
The Eraser Tool
Curves For Beginners
Understand Blend Modes
Launch GIMP & Organise Its Workspace & Palettes
Open your Start Image onto GIMP’s workspace.
Then Duplicate the Start Image by clicking the following Create a duplicate tab. Then ensure the Top Image is active in the Layers Palette, as demonstrated below.
Now, (still working on the Top Layer). From the top menu, choose Filters then choose Blur and then choose Motion Blur. From the subsequent Motion Blur dialogue box, enter the following Zoom settings, and then click OK.
For personal motion blurs, it’s important to experiment with the Length setting.
4/ Add Alpha Channel
Right-click over the Top Layer, and from the subsequent drop-down list, select Add Alpha Channel.
Then, from the Toolbox, activate the Eraser Tool. (Eraser Tool For Beginners).
And enter the following settings into the Tool Options Box.
Now, (still working on the Top Layer). Gently and slowly remove just the blurred biker, to reveal the underlying unedited image.
6/ (Curves For Beginners Tutorial)
From the top menu, choose Colours then choose Curves. Now, create the following darkening curve, and then click OK.
From the top menu, choose Image and then choose Flatten Image.
To finish, from the top menu, choose Filters and then choose Lens Flare. Now, from the subsequent dialogue box, enter Flare settings of your choice. Then left-click and drag the flare to the middle of your image. Finish by clicking OK.
Gradient Flare Note
If you prefer, you can apply a Gradient Flare to your final image. The Gradient Flare Filter has lots of setting you can play with.
To create extra impact, apply a Sharpening Filter of your choice - Filters then Enhance.
Congratulations, your Speed Burst Conversion is complete, and it is ready to save.
Wendi E. M. Scarth. Top of Page.