How do I put a tampon in? ?

I talked to my mom about it, and she explained pretty well. But I am still confused about it! Please help. I know it's a kinda gross topic. Ok, so I attempted putting one in (I am currently on my period, i have to go to a water park in 2 days!!) and I know kinda where to put it in. It's right b4 the butthole(lol). It just doesn't seem like a hole! I can't really bring myself to put it in. I tried putting it in using a mirror and I was sitting. There is a little "bump" like thing in the middle of the hole area or where I'm supposed to put it in, so do I put it in infront of that or behind that? (any other tips or info would help)