My husband was right... I shouldn't have tore off the wallpaper in my dining area. Wanting to paint this area to update the look of our house, I tore the wallpaper off thinking that it would be plaster underneath. Well, I'm not sure what it is... this is an outside wall and I'm thinking it is cement at the top and plaster at the bottom but I can't be real sure, all I know is it's a mess. So my question is... what do I do with it, how do I prep the wall? How do I repair the areas that have cracks and make it smooth to paint? My neighbor suggested a Venetian Plaster, would that work?