It seems the Mod sometimes screws the lightmapping up - a repair install usually helps
maybe it's the ambient light that is causing your problem - what do you mean exactly?
and which FPSC version do you use?
there's no Relief Mapping Shader Pack
the relief shader is included and you can apply it like you do with the BCRA/Bumpbone/Bumpent/... Shaders
But you need a "_NR" Map (nicely named after Normal-Relief, because it's a normalmap with the height map in the alpha channel)
My System: Intel Xeon 3060 @ 2,4 GHz, Asus Commando, 2GB DDR2-800 RAM, Thermaltake Shark Black, Sapphire Radeon HD2900XT, Samsung Syncmaster 245B 24"
-- Helix Head Developer --