I Just Made My First Sale Woooooooooh

I just made my first web script sale, http://motyar.info/draw/

Its the code to draw like on canvas like ms paint. User can download the drawing.

I placed the "Buy It for just $10" one week ago. Here are more statics from Google analytics:-

467 Pageviews

327 Unique Views

00:04:20 Time on Page

78.95% Bounce Rate

69.59% % Exit

I need suggestion to improve sales.

Thank you all in advance!!