If you want a "casual" font then I'd recommend something that looks more like your logo or just looks more like marker/drawing board text in general. Fontsquirr

If you want a "casual" font then I'd recommend something that looks more like your logo or just looks more like marker/drawing board text in general. Fontsquirrel should serve your needs well. Also, I'd recommend you to redo the logo digitally so you can overlay it on the background seamlessly - the mismatched grids look pretty ugly right now.