making a home surveillance camera with webcam, sd memory and programmable chip and power source?

Can you answer korr’s question about Surveillance?:

i was wondering if there are anything similar to what i am looking for?

i want to make a surveillance camera which takes shots and storing them into a sd memory card, and have it programmable to either do motion detection or something similar… along with a way of power source, either outlet or battery source.

i’m just trying to make it simple, without having to run a laptop, or pc that consumes way too much energy. suggestions?

Wireless Video Surveillance Camera

What is the least expensive way to set up a surveillance webcam or camera for my home while I’m on vacation?

Can you answer c2t’s question about Surveillance?:

I want to do this mostly to see my dog while I’m away. My mother can be there to turn it on and off if necessary. Do you know what is the least expensive way to do this? Is it possible to just set up a webcam on my computer at home and then view it with any computer where I am. Do you know if I need to download free surveillance software from Cnet download.com?

Wireless Home Security Cameras