Check this guide out it should help -
http://forums.d2jsp.org/topic.php?t=26679980&f=34all i do is open MsPaint, go inagme and hit print screen on the item, go into paint hit paste and cut out what part of the image you want and make a collage out of the images.
heres an example of something i did lately -
http://i.imgur.com/iLNsU.pngfeel free to send me a message if ya have any questions or need more help.