I often upload images to the internet, and doing so is always a pain. The Finder's Open/Choose dialogue takes over 5 seconds to load image previews, regardless of the size of the image (very small screenshot pngs take the same amount of time as 8MB jpeg photos). While waiting for the preview to load the whole window locks up so I can't click 'Open' until the preview has loaded.
Is there a way of preventing image previews from displaying in the column Finder view, or stopping them hanging the upload Finder window?
Chrome, Mavericks, 2012 Macbook (non-retina) 15"