Tranquility (the rain of death)

himmm i have been doing a lot of stuff spell stuff and i have been in a fix ok i am trying to chage the tryanquility spell so that it rains red, and kills. the shape around is also red but when i changed the mdx to mdl and changed the textures\yellow_glow.blp to Textures\red_glow3.blp it just didnt show up

now that im hear maybe i can make starfall do this and replace the buffs so taht when they die they will get experience well tahts all i got