how can i

hi everybody,

i done a fish model and trying to apply meterials for it.
for that i prepared a map in photoshop which is some blur looked colors (painted with featherd brush)
i have taken phong as my basic meterial type map (as projection)as  color but when i applied to  fish (nurbs)
the map become like patches like diffrent colors even i tried to adjesting attributes like hardware render options and UV 's etc pl suggest me how to apply the map and how to adjest that .
:(

sounds like a video card issue maybe....how does it render?