When taking digital photos it’s always best to have straight lines stay straight. Nine times out of ten ll it takes is a quick examination prior to snapping the shutter to make sure everything looks straight. If your photos are regularly crooked some digital cameras have some pretty cool aids that you’ll quickly appreciate. In a recent article in PCIN.net some of those aids are discussed.
This article is a great read.
[How To Straighten Digital Photos - In Camera Trick]