This Thread Is Useless Without Pictures, used on forums when a picture/photo is wanted to show what the poster is talking about.

When you eat dirt for the first time and leave your family to build a shack in the woods

This Thread Is Useless Without Pics!

This term is used in a thread on a message board when someone says someting about an event / toy / car etc, but does not post a picture of their triumph, rendering the post 'useless'.

It stands for: This thread is usless without pics.

This term is used in a thread on a message board when someone posts a news article or webpage where a picture would be beneficial in understanding what is going on in the news story.
WIthout the picture the thread can be termed 'useless'

This thread is useless without pictures. Often said in forums where a user posts something that would be visually interesting, but doesn't bother to post a picture.

This thread is useless without pictures.
A form of sarcasm, or a plee for common sense.