candle making

[brownlikewoah.livejournal.com]

i just made candles for the first time, and while burning one of them i noticed that the wick didnt end up going straight to the bottom of the candle... there was an anchor on the end, but it didnt seem to do its job. any advice on how to get it to stay in place? is there something im doing wrong?

also, i read on some website that it was okay to use perfume to scent candles, and so i did so, then later read in the memories on here that its a horrible idea to do so, because you dont know how everything will react, and well, i just made my second set of candles and mixed various perfumes for the scent... will it be dangerous to light them?