How to Apply a Border or Other Effect to a Picture on a PowerPoint Slide
You can draw attention to pictures by adding borders, shadows, and reflections to pictures in PowerPoint slides. If you have applied a PowerPoint shape to the picture, the border is applied to the shape. To apply a border to a picture:
Choose FormatPicture StylesPicture Border on the Ribbon.
This reveals the Picture Border menu.
Choose the border color, weight (the width of the border lines), and the pattern of dashes you want to use.
The Picture Effects button in the Picture Styles group (located on the Format tab) lets you apply several interesting types of effects to your pictures. When you click this button, a menu with the following effect options is displayed:
Shadow: Applies a shadow to the picture. You can select one of several predefined shadow effects or call up a dialog box that lets you customize the shadow.
Reflection: Creates a reflected image of the picture beneath the original picture.
Glow: Adds a glowing effect around the edges of the picture.
Soft Edges: Softens the edges of the picture.
3-D Rotation: Rotates the picture in a way that creates a three-dimensional effect.