[Remove background from an image]

I did it. I actually did. Thats pretty cool. Im not familiar with photo editing. All i've done in the past is pretty much resize images and crop. Now its time to have some fun. One down two go.

[Remove background from an image]

How do I remove the background from an image? For example I have a picture of myself and there's all kinds of things going on in the background. Trees, cars, etc..I would like to be able to remove those other pieces and just leave myself. I have a feeling this is pretty simple but im new to photo editing. Sorry guys. Any help is greatly appreciated.