[Ramires]

PHP код:

public OnPlayerRequestSpawn(playerid)
{
    new SkinPlayer, nick[MAX_PLAYER_NAME], query[100];
    GetPlayerName(playerid, nick, MAX_PLAYER_NAME); 
    format(query, sizeof(query), "SELECT * FROM users WHERE nick='%s'", nick);
    mysql_query(conexao, query, true);  
    cache_get_value_int(0, "skin", SkinPlayer);
    SetPlayerSkin(playerid, SkinPlayer);
    return 1;
} 


Tenta aн amigo