alright, draw the arc of whatever if you already havn't, then click an hold on the text tool and a bunch of different text options with popup, go to the little T thats one a curvy line, the one that looks like it is going up hill (Ya know the little text tool icon in the toolbox, click and hold on that) and then click on the line and the text will follow that shape!!! sorry if the instructions are a bit vauge.... best I can do!