contents ladder is ladder2
hope i didn't confuse u.
textures/myshader/metal_ladder
{
qer_editorimage textures/common/ladder.tga
qer_trans 0.4
surfaceparm nodraw
surfaceparm nomarks
surfaceparm nolightmap
surfaceparm nonsolid
surfaceparm trans
surfaceparm ladder2
surfaceparm metalsteps
}