When you are ready to give a reply on someone's post all you have to do is
hit reply
write your message and post your pictures
ok here is the trick
highlight your post pic and all then you go up and copy this is in case you lose your post during this trick
ok after it is highlighted you go to your keyboard and hit at the same timeCtrl and X
your page should disappear
close your post window
then re-open your post window
then you hit Ctrl and V
your post should reappear then you can send message
Hope this helps you save your space
hugs poohmoma