Paint.NET is a fantastic image manipulation tool, free and available for windows.
forums.getpaint.net/index.php?/topic/1854-alpha-mask-import-...
This plugin allows you to import an image from a file or the clipboard and make it an alpha mask. If the image has color, it will be converted to greyscale.
Version 2.0 adds the ability to use whatever image is on your clipb ...
paint.net.amihotornot.com.au/Features/Effects/Plugins/Object...
Paint.NET alpha mask plugin example.
forums.getpaint.net/index.php?/topic/13000-otherfarmcolorrep...
This effect enables you to remove/change a color (with a tolerance)
* choose a color you want to remove/change
* set a tolerance for this color (0= use this exact color till 100 = all colors)
* select the replacing color (transparen ...
The best free graphic and media editing software with alot of plugins.Paint.NET. Thgis is not the official homepage but contains an excellent plugin repository which is all nicley arranged.
This is a filetype plugin for Paint.NET that enables both loading and saving of Photoshop .PSD files. It was originally written by Frank Blumenberg in 2006, and has been maintained by Tao Yue since 2010.