http://ajrae.staff.shef.ac.uk/ge1.html - if your browser says 'load failed' or something similar, just click 'Ok' and where the Google Earth image should be you can install the plug-in from there.
Here's some images:
In the image above, you can see the search box. If I enter, 'Glasgow', for example, it will automatically zoom to here:
If you have a place that occurs in more than one location, then you may have to insert a comma and then enter the city or country it is in. For example, in the image below I've searched for Hillsborough, Sheffield and it's taken me right there...
