Click the Design tab.
Click the Background Styles button, and then click Format Background.
![Click the Design tab. Click the Background Styles button, and then click Format Background.](http://www.java2s.com/Tutorial/Microsoft-Office-PowerPoint-2007Images/Create_Picture_Or_Texture_Background_Style___Click_Design_Tab_Click_Background_S.PNG)
Click the Picture or texture fill option to display the available fill effects.
![Click the Picture or texture fill option to display the available fill effects.](http://www.java2s.com/Tutorial/Microsoft-Office-PowerPoint-2007Images/Create_Picture_Or_Texture_Background_Style___Click_Picture_Or_Texture_Fill_Optio.PNG)
Click the Texture button, and select a texture,
or click File, Clipboard, or ClipArt, and select a picture.
![Click the Texture button, and select a texture, or click File, Clipboard, or ClipArt, and select a picture.](http://www.java2s.com/Tutorial/Microsoft-Office-PowerPoint-2007Images/Create_Picture_Or_Texture_Background_Style___Click_Texture_Button_And_Select_Tex.PNG)
To tile the background, select the Tile picture as texture check box, and then specify the offset x and y, scale x and y, alignment, and mirror type.
![To tile the background, select the Tile picture as texture check box, and then specify the offset x and y, scale x and y, alignment, and mirror type.](http://www.java2s.com/Tutorial/Microsoft-Office-PowerPoint-2007Images/Create_Picture_Or_Texture_Background_Style___To_Tile_Background_Select_Tile_Pict.PNG)
Drag the Transparency slider to specify a percentage.
![Drag the Transparency slider to specify a percentage.](http://www.java2s.com/Tutorial/Microsoft-Office-PowerPoint-2007Images/Create_Picture_Or_Texture_Background_Style___Drag_Transparency_Slider_To_Specify.PNG)
Click Apply to All to apply the fill effect to all slides,
or click Close to apply only to the selected slide or slide master.
![Click Apply to All to apply the fill effect to all slides, or click Close to apply only to the selected slide or slide master.](http://www.java2s.com/Tutorial/Microsoft-Office-PowerPoint-2007Images/Create_Picture_Or_Texture_Background_Style___Click_Apply_To_All_To_Apply_Fill_Ef.PNG)