Most are pretty amatuerish copy and pastes from one SD texture to the next. However, 2 of the large panels also have damaged versions, courtesy of D-Mode, which are quite nice, especially when combined with func_constructibles (see Reactor for an example). Readme with credits and example shaders are in the zip file

download link (includes readme and shader information)
http://www.planetwolfenstein.com/4newbies/control_panels_0411.zip
