This tutorial its about how to use the render override utility of the oscurart tools add-on for blender 2.62/63 its been a wile since the last time i recorded a video in English so it can be a bit dificult to follow, sorry for that, if the tutorial its too confusing please let me know, ill try to answer any question about it Eugenio 

 Pignataro - oscurart´s blog http://oscurart.blogspot.com.ar/