Drawing Canvas is a great addition, a few more features would really make it powerful.
Draw a textured quad with [object] as textured (very useful for distorted sprites, for interesting fake shadow effects, non-rectangular scaling, Mode 7, etc.)
Examples from Paster:
Draw Textured Quad ((25,0),(75,0),(75,75),(25,75)) with blend Normal, opacity, 100, and texture from Sprite
Draw Textured Quad with uv using, blend Normal, opacity, 100, and texture from Sprite