If you are a longtime Filter Forge user, you're probably sick and tired of the default lifesaver image that Filter Forge uses to preview rendered results – and so are we!
Thankfully, Filter Forge 3.0 comes with 6 new preview images: you can choose the one that you like best:
Each of the built-in preview images (including the original lifesaver image) comes with an alpha channel, which lets you preview your filters on images with transparent areas:
To load built-in preview images into the main window or the Filter Editor, do this:
You can also load the preview images into the new color controls (also introduced in Filter Forge 3.0) that allow loading images: click the triangle button next to the corresponding control in the filter controls area, select Built-In Preview Images and choose the image you need: