Hi Ralph,
basically it's no different than on a pc only the graphics differ a bit.
Please find uploading pics from an album described here:
http://www.allmetalshaping.com/showthread.php?t=159 this method doesn't work well on the iPad because you can not "select all" when highlighting the described URL.
Uploading pics as attachments works well on OSX and iOS devices. Find description here:
http://www.allmetalshaping.com/showthread.php?t=115
Hope that helps.
Cheers
Andy