I HIGHLY Recommend Presenter Media
Are you always looking for awesome visuals to use in your marketing that: 1) won’t get you sued or 2) won’t cost you an arm and a leg? Have you heard about Presenter Media? If not, you are missing out on the Internet’s best kept secret! Presenter Media has Powerpoint Templates, 3D Animations & Clip Art, Custom Text Animations and Video. You can build Amazing Visual Illustrations Using Their New Custom Animations. Put their servers to work and build your own animated PowerPoint illustrations and video backgrounds using their customizable images. Change the text in any of these new animations. The customized animations can be downloaded as a .gif, .swf. or .mov file. Customized videos are able to be used in any version of PowerPoint, Keynote, video editors, or any software with video support, and are able to be downloaded as a .wmv, .flv, .mov or .pptx file. INCREDIBLE VALUE!
List of Free Image Sites
Some Links have PAID and FREE Options!