AN – last chapter! I couldn't resist leaving Fred and George alone, and I always had a feeling that Lee Jordan might have to put up with quite a lot from them. Thanks for reading!

Disclaimer – I don't own any of the characters in this story.

Lee Jordan had just got to the foot of the staircase that led to the floor on which Professor McGonagall's office was situated, when he realised a vital flaw in the plan. The walls along some corridors had been charmed to repel any sticking charms, and he would confidently bet, if he weren't saving his money for Hogsmeade, that the Transfigeration teacher had included her floor.

Sighing he turned around, enchanted picture collage under his arm and started back up the stairs. At least he would be able to see some of the act. It was scary how little persuasion either of the twins had required to sing those High School Musical songs.

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"You WHAT?!!!"

"I kind of forgot that you can't use sticking charms on most corridors."

"Now what? I'm sure everyone adored our interpretation of the Disney channel's most annoying torture creation, but they'll have seen through it. Most of 'em aren't as dumb as they seem. They'll want more."

"Calm down, I have a back up plan. I'll just need your help to get out again. It isn't as simple as a sticking charm, but I reckon we can pull it off."

"Well, ok. As long as we get code names."

"Yeah, I'll be "Red Fox"."

"And I'll be … em … "Red Squirrel"."

"Neither of you want to be "Weasel"?

"Naw, too obvious. You can have that Lee."

"Alright. Shall we get going?"

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"Red Fox to Weasel, do you have the back up plan?"

"Yeah, George. Here you go."

"It's Red Fox! I really don't think you're taking this very seriously. Now, Weasel, Red Squirrel, hold up the picture. Higher, a little to the left. My left, not your left! Ok, it's squint. A little higher please Red Squirrel. Perfect! Right, just let me get at the corners. Good. Let's scarper, before someone comes along."

"It does look good doesn't it?"

"Yes, Red Squirrel, it does. My friends, we have done this school a service tonight."

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The next morning Professor McGonagall opened her door, and her mouth dropped open.

"Accio" she spat out in disgust. The poster did not move. Frowning she tried again. "Accio." Still the poster did not move. Again and again she tried. Again and again it did not move. Students were starting to pass on their way to breakfast. She needed to get this down now.

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Students filing along the corridors to breakfast that morning saw not only Professor McGonagall, but most other teachers trying to prise the improvised poster off the wall. Professor Flitwick had discussed many variations with Professor McGonagall, Professor Snape had dripped potions around the sides, and they had all glared at the offending item when their brand of magic had failed.

"Well, I suppose we shall just have to set up a diversion until we can have this removed." Professor McGonagall shot the poster another nasty look. "Will someone please call the headmaster so he can approve this?"

"No need to call me Minerva, I'm here. I heard there was something of a disturbance in this corridor. I was however under the impression that Peeves was tipping busts onto people on the floor below in an effort to divert pupils along this corridor." A large amount of those assembled inwardly sighed. They had thought it seemed awfully busy. "I have dealt with him. Now what do we have here?" The tall wizard effortlessly parted the throng of staff as he walked towards the poster. "Ah, I do see why you would want to prevent the students seeing this. Now I understand normal magical methods of removal have not worked?"

"And some not so magical ones Albus." McGonagall was still shooting death glares at the paper. "We have been trying very advanced spells. I'm not sure what else we could do to remove it. I suppose we could always hang something over it if necessary, but I'm not sure which portrait would agree to go over it."

Dumbledore looked thoughtfully at the poster. "You say you have exhausted all magical means of removal, am I correct?" There were nods of agreement from all assembled. "But not all means." Before anyone could start to protest, Dumbledore slid a long and thin hand beneath one corner of the poster. "Ah, as I thought." A swift movement of the hand later and the corner of the poster fell away from the wall. In Dumbledore's hand was a small blue lump of … something.

"What is that?" Professor McGonagall could only just get the words out of her mouth. There was a substance she didn't know about?

"This" Dumbledore held the lump above his head in plain view of everyone "is blue tack. A Muggle substance used for sticking objects to walls that is strangely resistant to magic. I think most students use it to put up posters in the dormitories. According to the house elves it can leave the most annoying marks that refuse to move." While he had been speaking, he had been taking the remaining pieces away from the wall. By the end of his speech he had removed the entire thing. "Here Minerva, I think you should dispose of this however you see fit."

Dumping the poster in a stunned Professor McGonagall's arms, the old wizard turned and walked away, leaving behind a stunned staff.