Well, we don't have a like button, but we do have a feature that might serve the same purpose for you...
At the top of each thread, just above the first message in the thread, all the way to the right, is a drop down box titled "Rate This Thread."
You can rate a thread from 1 to 5 stars, depending on how much, or how little, you like it.
"The gift which I am sending you is called a dog, and is in fact the most precious and valuable possession of mankind" -Theodorus Gaza
Baby Jesus cries when the fat redneck doesn't have military-grade firepower.