You can download the cover art from this site
They also have covers for older games you may have lost a cover for.
And if you don't have a white case ... use one from one of the older Disney movies. Like one you have 2 of. We have the 1st edition DVD of Little Mermaid and also the newest one. I'm just using the case from that.
And if you dont like those or dont feel like going through the trouble: