[margaritaville]

Marcella, try this:
open iphoto
select the pix you want and pull it onto the desk top
close iphoto
click on the pix on your desk top to enlarge
go to the tool bar and click on tools
select adjust size
adjust size to 640 in the first space and the rest will automatically fill in
close the pix and save
in the manage attachments on yt browse for this pix on your desktop and attach
when you are done with it trash it