If i send a pic to my email?

i don't have a digital camera. how can i get pics saved to my computer if i email them from a cell phone.also, i want to put my fave actor as a screen saver or a family pic too. how can i do that for both. one for screen saver and other for backup??? i hope i made my problem clear, thanks for any advice.
If i send a pic to my email?
well just text msg them to your email and then switch your properties after you got the photos