Problems with Raytracing

Hi there, this is something ive been working on for about 1 hour more or less…, it has been rendered with yafray… it looks VERY noisy… HELP!!! when i render it with blender internal it looks well but no raytracinggg.!!..


if you are talking about the calstcs, blender internal cannot do them, there is a spetial buld around somwere that can