If you want to use an image outside iPhoto you can select from the Share menu or Export from the File menu to save it as a .jpeg file.
It is not possible to get iPhoto for Windows. iPhoto is only available for Mac. Windows does have several alternatives to iPhoto like Windows Live Photo Gallary and Picasa.
If you are referring to a photo just burn it to a CD withing iPhoto.
There may be another way, but this is how I go about it. 1) Save your entire document as a .pdf file 2) Open the recently created .pdf (It will open in a new program) 3) Immediately re-save the .pdf file as a .jpeg file. 4) Use a photo editing software to crop out the white around the photo And theres your .jpeg!
robert swirsky invented jpeg to push 10 million colors in a photo!
iPhoto is an application which is used to store and manage all the photos and their metadata in Mac OSX based Computer systems. It uses iPhoto Library where a copy of every single photo is stored. If it corrupts then people face the iPhoto Corruption. To Recover Corrupted pictures and library you need to use professional Photo Recovery Software that work on Mac Platform. One of them is iPhoto Recovery. It is a complete solution for deleted, corrupted and lost iPhoto Pictures.
iPhoto has limited editing functions and so you would not be able to remove the background from a photo.