The "Screen Tip" box

When you point to an icon or folder ect, a what I believe is called a
"Screen Tip" box opens up with the name or description of the icon or folder
in it.

My first question is, how can I change the delay time for the box to appear.
I hate the way the box opens when I just move the mouse pointer over it even
quickly. There must be a setting that can delay the opening of the box to
like when you point to an icon it takes 3 seconds before the box appears.
It's a real pain when you are just moving the pointer around and 20 tip boxes
open instantly as you move the pointer over icons or folders.
My second question is how can I change what is in the "Screen Tip" box.
Some of them are very helpful, but some are like 3 lines long. I pointed to a
shortcut for IE7 on my Quick Launch and it was two lines long instead of just
saying Internet Explorer. I was able to change that one by right clicking it
and clicking Properties and in the Comments: box deleted what was typed in
there. But that does not always work. Some times the screen tip has the
target location in it, I don't need that in the Screen Tip box, just the name
or description of the icon or folder.

Thanks for any help you can give me.

Rick