When designing logos, the best course of action is to keep things simple. The reason for this is obvious - business logos find their way onto absolutely everything, from t-shirts to coffee mugs, and only simple designs can be so endlessly flexible. Segmented rings are very popular in logo design because they are visually stunning and very distinctive.
As of version 5 and greater, Photoshop includes a very handy Save for Web command. This feature allows you to produce a copy of your image that is optimised for web use. This means that the image file will be as small as possible, and that the image will use only web-safe colours (if desired). Save for Web can produce GIF, JPEG, or PNG format images.
If you have been using Photoshop for the web for any length of time, you have probably run into a situation where you find yourself doing the same operation over and over again.
This tutorial is aimed at helping you to understand how to save transparent GIFs / PNGs using Photoshop (or ImageReady). Although saving transparent images is not terribly complicated, there are a few misconceptions and inconsistencies that can make it confusing. This tutorial also provides an explanation for many of the tools and optimization settings associated with saving transparent images (especially geared toward saving images for the Web).