Here's a quick PowerPoint - it has a slide with all the images from the book, then a series of picture dialogs for students to practice the target language. Show the slide of the baseball with the red x and the dialog is: S1: Let's play baseball, S2: Sorry I can't. There are maybe twenty of these so you can score it like a game. Enjoy. There are also a couple of slides with screen captures from the Hello, as a bonus. Please enjoy.