Open your profile in the Toolkit. Then, when you double-click on a button image in the profile, the Button Editor will open up. At the bottom of the window is where the macros go to send keystrokes.
Have you looked at the Help file in the Toolkit? It can answer most questions. Also, check out these videos:
TouchBuddy Toolkit - Creating a Simple Profile.
TouchBuddy Toolkit - Using a Simple Profile.
PS: Don't hesitate to ask any more questions.