Treat your LCD flat screen like art and install it a comfortable high to view it or consider purchasing a wall mount TV that allows adjusting the high.
When you hang a mirror to enhance/enlarge a room always check the reflection. You don’t want to emphasize on a busy wall with lots of corners, doors and (God forbidden!!!) mess.
Ceramic tiles are great to enhance old and new kitchens/bathrooms. Combine different shapes, shades, textures to create a striking result.
Pick the right ceiling colors and ceiling lightings are key element of the successful decorating.
Monochromatic interior is very elegant and can be exciting if finishes, textures and shades are combined.
When decorate a room pick a favorite object for starting point and let the object be the color palette.