Visit MediaMonkey.com and download the latest version of the Media Monkey software. Open the program and allow it to scan your hard drive and create a media library of your audio files.
Click on the Windows Media Audio (WMA) file with the art you would like to copy, then drag it into the "Now Playing" area of the Media Monkey window.
Click on the title of the WMA file once it appears in the "Now Playing" window, which will allow the cover art to appear in the left side of the window.
Right-click on the cover art graphic, then select "Edit Album Art Properties." Once the "Track Properties" window opens, right-click again on the cover art and choose "Save As" from the pop-up menu that appears.
Surf to CoolUtils.com and find the orange box that says "FREE online converters from CoolUtils." Click on the first link to the right of the orange box that says "Online Image Converter."
Select the "Browse" button, which will allow you to find the image file on your hard drive that you would like to convert to a JPEG file. Once you find the file you want, double-click on it.
Choose "Convert to JPEG," then save the file to your hard drive.
Open iTunes. If you do not have the program, surf to Apple.com to download a free copy.
Find the audio file to which you would like to attach the cover art you have extracted and click on it to highlight it.
Drag down the "File" menu and select "Get Info."
Click on the "Artwork" button, then click the "Add" button. Choose the cover art you would like to attach to this audio file, then click the "OK" button.