The balance of the image and text uses asymmetry successfully. The informational text does seem a bit crammed in the corner so consider rearranging it to fit a bit better. The image you chose looks like it requires a bleed so you may need to rethink its orientation on the page. Since the image must be an original graphic, are you going to make it look more realistic or more cartoon-like? Just another thing to consider. Otherwise, this poster is has very clean lines, simple but appealing imagery and conveys the message really well.