How To Add Folder To The Left Of An "open" Window

How do you add a folder to the left side of an "open" window.

For instance, you go to file-open in photoshop and I want my "photos" folder to be available on the left.

I included a screen shot of where I mean:

Thanks
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Use Tweak UI to change the buttons.

i been wondering the same thing, I also have TweakUI with the powertoys, but where is that option in there, I cant seem to find it.

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[img]http://img2.imageshack.us/img2/645/tui.JPG' width='200' height='120' border='0' alt='click for full size view'>

This is were you can change it. B)