Creating PNGs
samples on local drive>>>
With Imageready and Fireworks you can easily convert to JPEGs, GIFS, and PNG files.
In Photoshop:
1. Open an image in Photoshop.
2. Change it to RGB mode if it isn't in RGB already. Image>Mode>RGB
Photoshop 5.0-5.5:
3. Choose File>Save As
4. In the dialog box, select PNG.
5. Name your file with the PNG extension.
6. Select Adam 7 to create an interlaced image.
Photoshop 6.0 and up:
3. Choose File>Save for Web.
4. Select the png option in the optimizing choices in the panel to the right.