Even if you find the tooltips helpful, you might find the pop-up nature of the tips themselves distracting, popping into existence as you’re just sitting there thinking, ...

This pop-up box shows details like Total size, Free space, Date created, Size, Folders and files it contains, and so on. If you wish, you can disable the pop-up description for folders & desktop ...

Now, when you hover over an image that contains alt attributes, the alt attributes will automatically pop up. 'Popup ALT Attributes' also has the ability to wrap long tooltips.