A list of the most commonly used plugins and some key parameters. More plugins here.

TableOfContents	[{TableOfContents }]
Image	[{Image src='x.jpg' link='~http://..' width='..' height='..' align='left|center|right' style='..' class='..' }]
InsertPage	[{InsertPage page='some-page' }]
CurrentTimePlugin	[{CurrentTimePlugin format='yyyy mmm-dd'}]
ReferredPagesPlugin	[{ReferredPagesPlugin page='<pagename>' type='local|external|attachment' depth='1..8' include='regexp' exclude='regexp'}]
ReferringPagesPlugin	[{ReferringPagesPlugin page='<pagename>' separator=',' include='regexp' exclude='regexp'}]
Set a WikiVariable Get a WikiVariable Test a wiki variable	[{SET name='value'}] [{$foo}] [{TEST page='p' name='var' match='regexp' except='regexp' body }]
BrushedTablePlugin	[{Table ||Nr ||A ||< ||C ||< |# |a |b |c |d |# |^ |b |^ |d }]
Emoticons	:) or S-) to show :)