Why not start here, you might even be able to read most text in Danish
http://www.jernbaneklub.dk/link.htm
(Danmark = Denmark; Norden = Nordic countries; Europa = Europe; Hele Verden = Rest of World; Modeltog = Small scale; Modeltog Udland = Small Scale abroad; Nyhedsgrupper = Communities; Ny sider = Recently added)
A large collection of links can also be found at the Forum Drehscheibe-Online.de, category headings are in German:
http://www.drehscheibe-online.de/ds_cms/kugel.php
Other link collections from readers' clubs would be interesting