2)upload the photos to any website you prefer, I am using http://photobucket.com
3)open photos in such as photobucket.com, then click right mouse to get the properties, which is at the last bottom of the column
4)copy the properties, which should have a jpg at the end
5) to post mutiple pictures in WXC by doing this:
include the properties in between the two Quotation marks of , followed by another one, and as many as you like
6> finally, send
If you still encount problems, let me know.