If you don't see the window shown above, but instead get a messagebox asking you if you'd like to go to the path configuration, this means that some programs required by KreateCD weren't available at install time. You can manually select these programs in the configurationdialog when you click on the Yes button. The following dialog will appear.
Here you can choose which projecttype you want. There are five choices:
In this mode you can create multiple tracks of every possible type.
By selecting this mode, you will be able to create one data track with files you select yourself.
In this mode you can create Audio tracks and add ISO images to a CD.