video How to Upload Images to Instructables from iPhoto
If you use iPhoto, finding photos' location on your computer to upload them can be a challenge. Fortunately, you can simply drag the photos from iPhoto into an upload dialog box to go straight to their folder. On Instructables, hit "Choose Files" and drag the photo from iPhoto into the box where you choose the file from your computer. Here a tip to make it fast: start dragging an image, and without letting up on your mouse, hit "Apple-Tab" to switch the focus from iPhoto to Instructables to drop in the image.