The font used is ShellyVolanteBt with a drop shadow added.
Using a buttonize effect on the graphic
Using the noise filter on the button.
Flower drawn with the line tool and paint brush, and for the narrow curved lines, the bezier tool.
Saved in transparent mode.
The "P" on the left has antialias turned on. The "P" on the right has it turned off.
The one on the left is much smoother around the edges.
