A single Photoshop-compatible plug-in filter for quickly removing black or white
Edit by : A single Photoshop-compatible plug-in filter for quickly removing black or white values and making the region transparent. There are 6 different options for you to choose from, depending on the type of image you are working on (colour photo, mono photo, lineart).

It requires the use of layers so remember the effect must be applied to an image that is on a Layer above the background in order for it to work.

Feature Overview:
-Easy to use dialog layout
-Drop-down menu
-6 internal filter options
-Various slider controls
you can free download AlphaWorks 3.1v now.