How to enable thumbnail view on file dialog boxes?

I find it very inconvenient when I need to upload a file from a folder with A LOT of pictures and I need to inspect each file to find the image I'm looking for.

How do I make file dialog boxes view thumbnails like the way your file manager does?

Basically, from this:

To this:

I hear it's impossible. Is it true?

Solution 1:

That's called progess ;-) But there is an workable alternative

(if needed) Install dconf-tools open dconf-editor Click to: org -> gnome -> nautilus -> list-view Click (right side of the window) on default-zoom-level keep mouse button pressed for choosing prefered value: standard, large, larger, largest