The "privateers" of the magazine No Quarter Given annually commemorate the attack on Mission San Juan Capistrano. Interesting pictures on this page, notice that the only casualty at the 1998 event was one of the raiders.
Presidio La Bahia's Living History Program was developed to provide the public with an accurate reenactment of the massacre of Colonel Fannin and his men. The reenactors wear the uniforms and clothing of the time period, 1836. This site has photograph...
This is a discussion listserv, with historians, reenactors and illustrators as members. There are also pictures and articles to download, as well as an event calendar.
North County Times reported on a small reenactment of the muster that occurred at San Luis Rey in 1847 before the march to Los Angeles to fight in the battle that ended the U.S.-Mexican War.
These couple of pages contain pictures mostly Mexican troops with artillery. This is part of the larger, framed THS site, which has references, links and articles, mostly on the Filibustero (gringo) side.