"In this article we will look at some of the ways to create “cool” or gel buttons in Expression Blend. If you look at the default look and feel of a WPF button in Expression Blend or Visual Studio, you will notice that it doesn’t look “cool”. It’s still that dinosaur chrome looking button control, whereas Expression Blend and Windows Presentation Foundation (WPF) are not just about functionality but also about enhancing User eXperience (UX). So to make your control “look and feel cool” you have to customize it, in other words, skin the control and style it the way you want!
[Insert usual "I have no graphically skills what so ever and enjoy these kinds of tutorials, when I get off my butt to do them" comment here]