Open your internet explorer preferably IE7 and type this link http://play.clubpenguin.com/load.swf on your address bar.
Changing other peoples igloos
Go to your igloo then click the tape measure thing on the lower right corner of your screen, right click on it and hit back, right click on it again and hit play. Go to an igloo, an igloo which is not yours, click on their furniture and you should be able to move it.
Appear near the arrow sign
Go to the town then walk into the night club, once your inside click the top right corner on the exit door, keep clicking while its loading. Once it loaded completely you should appear by the arrow sign closest to the dock.
Put furnitures on your walls
Go to your igloo then click the tape measure, open your storage and on the top two rows of your storage click any item, do not move that item yet. Click the item as it is linked to your mouse a couple of times. It should be on the wall. Note that you can only put one furniture at a time.
Stand on top of another penguin
Find a penguin you would like to stand on top of. Once you have chosen your target, push and hold down the tab button on your keyboard, however your mouse must be over your target while holding the key. Your cursor will turn into a regular mouse pointer and click on your target.
Waddle On!