Here people searching for mp3's can chat. This is meant for searches for pictures. This is where people searching for pictures of cats can chat. Here you can search for anything humoristic. That includes Weird Al Yankovic mp3's, and but also jpeg's of cartoons.
Value can be an integer, a boolean or a string.
All the variables must match for a 'hit', so all search params are ANDed. Note that keywords and variablenames are all capital letters. In addition to the variables listed above, there are variables specific to file types and formats. The variables get the form ext. The same goes for ext.