tracker.addImage((Image) hexToBaseImageCache.get(hex), 1);
tracker.addImage((Image)hex.getBase(), 1);
    public void trackHexImages(IHex hex, MediaTracker tracker) {        // add base        tracker.addImage((Image) hexToBaseImageCache.get(hex), 1);                // add superImgs        List superImgs = (List) hexToSupersImageCache.get(hex);        if (superImgs != null) {            for (Iterator i = superImgs.iterator(); i.hasNext();) {                tracker.addImage((Image)i.next(), 1);            }        }    }