In PowerPoint 2010 you can change the background style and format it with gradients, solid colors and pictures as background. However, there is a collection of predefined styles that you can choose from to make awesome backgrounds with a few clicks.
Here is a result after choosing the Style 11 from the background preset collection.
Additionally, you can do something to change the color tones and color scheme. Once you picked a great background for your presentation, you can click on the Colors menu and choose a color scheme that fits better in your presentation background. Here we will show you what’s the final result after we choose Paper Color scheme.
Background Styles Preset in powerpoint 2010