Posting a gif or jpg:
Find picture on the net
right click on the picture
select 'Properties'
highlight Web Address url (be sure to get the whole thing)
CTRL+C to copy to clipboard
open reply box and click on
CTRL+V to paste url into pop up window
click OK
Temp thingie...
Click -->
http://www.wunderground.com/Click country and/or state
Click on city
Click on 'weather sticker' below forcast.
find gif, then do the above.