How to take pictures like this?

I want to take a picture like this one i'm about to put on
i see these type photos on tumblr all the time and i really wondered how i could get this type of photo

image

is it to be done with a disposable camera? Because i don't want to spend a lot of money on a camera, so thanks for the help anyone!

also i wondered if i could get an iphone app which could do these type of photos? Any ideas?

i'm so bad at explaining but i hope the photo explains what i'm after

Added (1). Here is another picture which i really want my outcome to look like! Thank you all for helping.

Cam wow
Can wow retro
Mega photo
(Apps) xx

If you have a new ish apple device, so iPhone 4S and 5, iPod 5 and the latest iPad, their cameras are all HD, but it looks amazing outside in my garden.

Well it doesn't look like there was much photo manipulation done to this image. Maybe some lighting adjustments, but other than that it looks pretty standard. I would stick to digital photos. Photography takes time and patience. You have to be in the right place at the right time to get the perfect shot. 2 minutes of time can make the difference (if you're outside) form the perfect light, to slightly to dim.

It's just a photo filter.
The photo attributes have been altered.

I use Instagram (Mobile program) and Picasa (computer program).

Both are free and are great!