Belgeoblog is an excellent source for information and news about Google Maps and Google Earth related developments in Belgium. The blog also has a number of interesting Google Maps mashups.
Typisch Belgisch is a collection of interesting Belgium satellite views from Google Maps. The views are categorised into a number of categories, 'Special Attractions', 'Useless Work', 'Flying Objects', Military' and 'Photogenic Phenomena'.
Brussels in 1953
This map displays a collection of historical photographs of Brussels. Most of the photos are from 1953, but the map also contains a number of older photographs of the city.
Brussels Metro Map
A map that shows the Metro lines of Brussels.