Everything in part IV is too complex to cover by writing a short note on the site. We cover parts I-IV on my Photoshop Elements tutorial CD-ROM available here [1].
Links:
[1] http://www.helpmerick.com/cube/view_product.php%3Fproduct%3DAV1001
[2] https://www.paypal.com/cgi-bin/webscr?cmd=_xclick&business=rick@yourpcpartner.com&item_name=Buy