Shift-click the green flag. Drag Slider vertically to change color. Drag Slider horizontally to change the angle. Click Up Arrow to increase the size ratio. Click Down Arrow to decrease the size ratio. Have fun! (Comment your favorite fractal!)
I made a project before this one called 'Basically a 3-D Fractal' which I will implement into this but that will add to the amount of controls that there may be too many.