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To add an image, go to the “Insert” tab, click Picture and select your file. The image will appear on your document with handles. Use one of the corner handles to re-size it. (The corner handles will keep the same aspect ratio; the side handles will not.) Click and drag in the middle of the graphic to move it. You can do many other things to an image (including brightness, cropping, and resetting it to how it was originally brought in) under Picture Tools>Format.
It is best to plan ahead regarding your image size. Your goal is no more than 200 dpi (dots per inch). A program like Photoshop, which is available in the University Technology computer labs, can help you to check this setting, to avoid distortion when adjusting the size for your poster.
Using Copy and Paste does not work well for the resolution of most images. However, for a chart created in Excel:
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