I feel this page is in need of a rewrite. the SRB2 Community has a better Custom Texture Tutorial which I'll link to here. http://www.srb2wiki.sepwich.com/wiki/Custom_Textures_Tutorial --Glaber 18:46, 10 February 2008 (UTC)
For future reference: Doomworld forum thread about handling of texture patches in ZDoom-based ports vs vanilla. Ryan W 02:01, 7 August 2008 (UTC)