http://www.infobarrel.com/How_to_Paint_a_Room_in_Your_House
published May 17, 2009
Have you ever tried to paint a bedroom in your home and wondered exactly how to go about it? Sometimes knowing what to buy and what to do can be confusing. Here are some tips on how to make it easy.
First thing to do is buy your paint. For an average sized room two gallons should be plenty, but if you are doing a larger living 
After buying your paint also buy some Painters Tape. It's just like masking tape but blue and is used to tape off sections that you don't want painted. Examples: window panes, door 
Next put down the plastic drop cloth. Make sure to cover any items in the room that you do not want paint to get on. Also cover the floor, and if you have ceiling 
Lastly start painting! Pour some paint into a paint tray and get those rollers ready! When using the rollers make sure to roll evenly. You don't want to have lines on your walls when you are done. Make sure you also back roll. That means flipping your roller over and rolling from the other side. This will help you use all the paint on your roller.
In closing I would just like to say that it is important to take your time. Do not rush because that is when mistakes are made! Just take your time, and enjoy.