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					Originally Posted by GameMaster
					
				 
				I don't know what to do for 'Pluck the Piranha' either. Someone help us! 
			
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 To get the "Pluck the Piranha" star enter the small portrait so your character is large.  Then jump over to the middle island, then over to the next island.  Jump through the pipe so that you become small.  Then kill all of the Piranha Plants on that island.  You might have to go all the way around the level a couple times to get back if you fall off.  After you've killed them all you'll get the star.
Collecting Glowing Rabbits
Alright.  I caught them all and devised a fool-proof way to get them in 30 minutes or less.  
Warning: All you get is a star for this.  So if you're hoping for a secret character like I was, you're going to be sadly disappointed.  Now to the technique:
#1: Become Yoshi.  
#2: Yoshi's rabbits are almost always outside.  So go out there.  If none of the three rabbits right in front of you are white, go back inside and then back out again.  Repeat until you catch a white rabbit.  
#3: Go upstairs, check the door and switch characters to somebody else and then right back to Yoshi after every rabbit.  This helps reset the random factor.  After catching a glowing rabbit with a character it becomes more difficult until you switch characters.  Switching and switching back works though.  Then go back outside and repeat step #2.  
I've got 71 stars right now, I just started yesterday.  I had forgotten how incredibly groundbreaking this game was.  I didn't realize I could consider a 3-D game nostalgic.