Click on the link to watch the video on: Uploading an Image
Browsing and Uploading Images   
Using iPhoto
Summary: Getting images from iPhoto, using iPhoto to size images
To use photos stored in your (Mac) iPhoto application, follow these steps:

1)  Open iPhoto.  Picture_1.png

2)  If transferring one photo from iPhoto, highlight the photo in the photo library.


3)  Under File, choose Export.


4)  Choose JPG or PNG under Format.


5)  Choose Scale images no larger than: and enter 500 into width (height will self-adjust).


6)  Choose Export, name image when prompted and choose a location to save the image, and choose OK.


7)  Your photos are now available in the location in which you saved them.  Continue Uploading and Browsing as described for Mac or PC.