[XePloiT]

Answer 1: we don't see the video.. you just putted the name of the movie/uploader
but i guess you talking about AttachObjectToPlayer() Click Here for more info about it
Answer 2: this is should work

pawn Код:

//TOP
new Float:sBi[MAX_PLAYERS][3]={ // sBi= SpawnByID
{x,y,z},//= id 0 replace the x y z with coordinates the downthere
{x,y,z},//= id 1
// more ^
{x,y,z} //= the last id you want, the last one whithout ","
};
public OnPlayerSpawn(playerid)
{
    SetPlayerPos(playerid,sBi[playerid][0],sBi[playerid][1],sBi[playerid][2]);
   //meybe you want to set interior and VW too i don't know suit your self
}