Here's a fun little tool I came across that can help in planning outdoor shots. It lets you visualize what will be in your frame given a particular lens when shooting a known subject from a given location: http://pictureprep.appspot.com/ The app is not all that intuitive, but it's pretty basic and the pop-up help function sort of walks you through the process. You start by searching for your shooting location to bring up the satellite image, then place your camera (by right-clicking on the map), then place your subject (by again right-clicking), then input your equipment particulars (sensor size, lens, aperture, etc.) and it will show you what your angle of view will encompass. You can also set the date/time and you'll see the angle of the sun (shown by the green arrowed line in the screen shot below). Annoyingly, the Four Thirds sensor isn't included in the drop down list, but you can set a custom size (17.3 by 13mm). I can't find a way to link to a particular setup, but here's a screenshot of a setup for a picture of the White House: I've come across a couple of iOS apps that appear to offer similar functionality (ScapeTog and The Photographer's Transit), but I'm not an Apple guy, so I can't say how they compare. I haven't encountered any similar Android apps, but if someone knows of one I'd love to check it out.