Usually you have to add a person whom you want to send an image scrap here is a trick to go around.
Follow these steps
# First Upload the selected image into your orkut album.
# Open your uploaded image using Firefox (Download Firefox from the above link).
# Right click on the image and select “Copy Image url”.
# Use this link to send a scrap through scrap all script.
# As the image is in orkut server, there will not be any word verification.
scrap all script is here http://www.prachina.com/templates/scrap.html