ImageFox 

ImageFox 2.0 is a timesaving image and multimedia previewer. It lets you preview files in most Windows Open/Save_as dialog boxes while browsing and without running an external picture viewer or multimedia player. Download ImageFox 2.0 today!
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File-Ex 

File Open and Save-As Dialog Extensions for all of your applications. Enlarges the dialog, adds recent and favorite files/folders lists, set sorting and view defaults, file management functions, advanced Find, and more.
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