Okay, Now that I have had a visual basis -- I understand the conversation better here. I tested. The mod installed easily. I found that this mod does hide the member profile from the guests. But, allows Guests to view the icons for the YIM, AIM, ICQ, Email, & Website of members. I double checked with a Clean Display.Pl with the same result.
I really did want to hide all personal (member profile type) info from Guests. So, BHRA was correct with his understanding of my request... I did take his code for Step 3 and apply it to display.pl achieving the exact results I was looking for

Now, BHRA's modification also prevents Guests from seeing other Guests Emails. Thats okay. I didn't expressly want that -- But, hey... Now, that I think about it.. it just might be a good thing. So, guests will feel comfortable about leaving their real emails instead of bogus ones to protect their privacy. I am very happy!
Ron and BHRA through both of your efforts, I now have the PERFECT Yabb board. Whoo Hoo! [At least until another mod catches my eye]

Thanks so Much - both deserve a big hug for helping out this lady!
I have included BHRA's modifications to Ron's initial release of the Mod -- incase anyone else wants it -- It is attached as Version 2. I tested it through BoardMod 2.5 and on my testboard. To make sure there weren't any errors and it worked for me. I also made sure both authors were credited. Is that okay for me to do that? -- If not, please remove my attachment.