This tutorial will teach you how to make the Welcome logo below. Save the black on white template graphic above to your hard drive. This template is actually twice as large as what is displayed. Open the template graphic. If you want to keep the template in this graphic, add a new layer.
Flood fill new layer with the light wood pattern.
Add a new layer. Set foreground color to black and flood fill. Flood fill with the dark wood pattern. To add text, add another layer. Add your text and save the selection to an alpha channel.