Adding your own faces to the game is surprisingly simple. Follow these steps:
This is arguably the "solid" article/collection you're looking for. It contains 260 fantasy-style portraits meticulously curated to match the game's original art style. It includes pictures for all races (Human, Minotaur, Lizardman, Ratling, and Insectoid) and is pre-formatted for immediate use.
The following images showcase the aesthetic of both official and community-created character portraits, ranging from classic fantasy races to custom mod packs.