PayPal logo

Hi – I am a real newbie to wordpress, and am really struggling with some bits. I have though managed to add a PayPal link, which is sitting in the backgound. I really cannot remember how I did this and want to get rid of it. Any help would be really appreciated.

webiste http://quirkycurve.com/you can see the logo bottom left. It links to a PayPal popup.

thank you