Anyone who replies to your thread will most likely go out to Google or some other search engine, enter some keywords like photoshop slicing tutorial, and give you the links to a couple of the results, as I have done. See this
. Take your pick of these or any of literally thousands of them on the internet. They're all about the same. To point out the obvious though, this is something you could do yourself.
Why not pick one of those tutorials and go through it using the image they provide in the tutorial, or one of your own? If you get stuck, come back here with specific questions about what you don't understand. You never know what you can do until you try.