I can't find where to set delay of popup thumbs on taskbar/widgets when I hover mouse.
I might be tired, stupid, blind, but I can't see it. I found only to enable/disable it in taskbar properties.

It's annoying as soon as I pass mouse over, they pop out, and I'd like to set 2-3 seconds delay... means if I really want to see thumb of app.

Thx.