I've already mentioned using Open Babel for depicting with SVG. That's a handy way to view a large set of molecules; you can zoom in and out and so forth. Let's look at some more of the features, as I've just been adding them to PNG depiction from SVG.
Let's start with the following basic depiction. Note that information on the SVG output options (e.g. -xC) is available in the docs or via "obabel -H svg", and that you can use the mouse to zoom in, etc.