How to customize textbox and choice menu: http://lemmasoft.renai.us/forums/viewtopic.php?f=8&t=16437
customizing the NVL textbox: http://lemmasoft.renai.us/forums/viewtopic.php?f=51&t=17232
customizing the textbox: http://lemmasoft.renai.us/forums/viewtopic.php?f=51&t=9233
How to make a contents page / Screen: http://lemmasoft.renai.us/forums/viewtopic.php?f=51&t=17301
Customizing menus: http://lemmasoft.renai.us/forums/viewtopic.php?f=51&t=9812
For more tutorials and how - to's please see the Lemmasoft Ren'Py Cookbook Sub-forum here: http://lemmasoft.renai.us/forums/viewforum.php?f=51