The image may load in some programs, but when you go to print the RIP may disregard the alpha channel and print the whole bitmap, white background and all. But other applications have questionable support for it. You can try making an alpha channel mask or "quick mask" in Photoshop and saving in a number of formats (TIFF is still the best choice for that sort of thing). This method for knocking out backgrounds is by far the most common used in professional print layout. When you place the image into a page layout application (like InDesign or QuarkXpress) or any other graphics program that supports clipping paths (CorelDRAW does) the background in the photo will be elminated. The TIFF and Photoshop EPS formats will both support clipping paths. In the paths palette you can change that path's properties to a clipping path. Be sure to save the path by renaming it something else other than Work Path. In Photoshop you can do essentially what I just described by making a "clipping path." Use the pen tool to digitize around the object whose background you want to eliminate. Others have mentioned using Photoshop, but not offered the best solutions from there. Certain printer RIPs can disregard the effect. They often don't export well to other applications. When finished, select "Finish Editing This Level." To shift things around a bit, select the Powerclipped object, go to the Powerclip flyout menu and choose "Edit Contents." You can nudge the bitmap around to the position you like. On the Powerclip flyout menu choose "place inside container." By default, Powerclip will center the object in the container. Select your bitmap image, go to the Effects menu and select Powerclip. Stacy, you just create a vector shape around the area of the image you want to isolate. Fred's solution is the simplest, and most logical offered thus far.
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