Yes... well... I'm in a similar position to Jalayla as I too would like to change the size of the render. I went to Render settings and clicked on everything I could see that might have even the remotest relation to changing the pic size... nothing worked. So, what's the clue?

Measure your mind's height
by the shade it casts.
Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com