Here's "Hot Spots" Volumes 2 and 3, despite them only in MP3 quality:
SS 9119: h%%ps://www116.zippyshare.com/v/hYwLlf1P/file.html
SS 9020: h##ps://www116.zippyshare.com/v/Zu7mKpJb/file.html
I, too, am also looking for Hot Spots Vol. 4 since I have not heard that one yet.