They display in the render buffer but nada for rgb or alpha in the hardware render mode. I put in a cube to see if it would render that but still nothing, however I started a new project, created a cube and it rendered out there...strange. I've got an i7 processor, so Im guessing it should be up to the task. I mapped an image sequence onto the particles and put in expressions to randomize the sequence across individual sprites,
stars.spriteNumPP = rand (1,15);
if (stars.spriteNumPP >=10)
stars.spriteScaleYPP =stars.spriteScaleXPP = rand (500,1100);
else
stars.spriteScaleYPP=stars.spriteScaleXPP = rand (100,300);
did it in one go, not sure if that affected it. Im following the gnomon outerspace environments dvd.