Tonga Photo Album - Photo album of Tonga with English descriptions by Marcus Moennig, 1990. Also contains Tonga travel and information links. - http://user.cs.tu-berlin.de/~minibbjd/tonga/photoal.html
A trip to Tonga 2004 - Documentary of a trip to Tonga including photos of Tongatapu and Eua. [English/German] - http://www.webgallery.co.nz/Tonga/