Making a bowl: Step 6 - Use different wood

Maybe Walnut isn't the best, or we might want finer or swirlier grain. Whatever. If you double click on the Wood in the Material Manager, you will open up the settings dialog. Fiddle around with the settings to see what effects you can get. Perhaps you'd like something in Pine ?

Rendering with this material gives a new bowl:

You can get rid of some of the jagged edges by opening the Render Preferences dialog (from the File menu) and turning on Anti-Aliasing (Edge Color).