Pictures move in my house and sometimes there are strange odors. Is there a service to see if one lives there. I just bought the house and am scared

Well if it's a ghost, its probably wanting your help. Tell it that you can't help it and if that doesn't work hire a psycic. If it's a demon then you probably want to do an exorsism. But try the "i can't help you" thing and it will probably go away.

Get a pastor (or someone according to your faith) and pray for the spirit to go away.