1 Very neat. The warnings about it not being very secure are of course spot on.
2 Seems that the need to embed the api key on the page is a security problem of one sort.
4 The call to gpsbabel _seems_ secure thanks to the sanitisation done to the filename passed to gpsbabel.
6 I probably won't ever add this to ikiwiki, but it's a great third-party plugin!
12 Can this plugin be extended to allow the user to switch the displayed to
13 many available maps, similar to the functionality provided by
14 [OSMify](http://blog.johnmckerrell.com/2007/12/31/new-version-of-osmify-bookmarklet/)
15 which allow replacing maps with one of the [OpenStreetMap](http://openstreetmap.org/) renderings.