This setting allows you to Direct Preview of image containing folder, setting adds a Right Click (context menu) to your every folder.
This entry is named "Image Preview for folder" which will simply open Windows Picture & Fax viewer containing all images from selected folder n shows preview instead of single file image preview

Settings:
1] Start > Run > regedit> hit Enter
2] goto > HKEY_CLASSES_ROOT >Directory >shell
3] right click >New > Key> write 'Image Preview for folder'> hit Enter
4] right click on 'Image Preview for folder' >New > Key > write 'command' > hit Enter
5] in right pane select '(Default)' > double click on it
6] Write value as
'rundll32.exe C:\\WINDOWS\\System32\\shimgvw.dll,ImageView_Fullscreen %1'
(in single line without quotes) > hit Enter
7] Refresh desktop or My computer & Check any image contained folder ;-)