[ZiP*]

He hasn't done it yet...

 /*
 Fast Movement, v0.2
 By Petey B thanks to KRoT@L
 Usage: amx_speed <nick, part nick, @TEAM or *ALL> <Speed>
 */

 #include <amxmodx>
 #include <fun>
 #include <amxmisc>

 new bool:speedy[33]
 new Float:speedvar[33]

 public client_connect(id)
 {
    speedy[id] = false
    speedvar[id] = 250.0
 }

 public admin_speed(id,level,cid){
    if (!cmd_access(id,level,cid,2)){
        console_print(id, "you arn't good enough to use this command")
        return PLUGIN_HANDLED
    }
    server_cmd("sv_maxspeed 99999999")
    new i
    new arg[32], arg2[32]
    read_argv(1, arg, 31)
    read_argv(2, arg2, 31)
    if(arg[0] == '@')
    {
        new users[32], inum
        get_players(users, inum, "ae", arg[1])
        if(inum == 0)
        {
            console_print(id, "No users in such team Idiot")
            return PLUGIN_HANDLED
        }
        for(i = 0; i < inum; ++i)
        {
            speedvar[users[i]] = float(str_to_num(arg2))
            set_user_maxspeed(users[i], speedvar[users[i]])
            speedy[users[i]] = true
            client_print(0, print_chat, "AMX: the %s's speed is %s", arg, arg2)
        }
    }
    else if(arg[0] == '*')
    {
        new users[32], inum
        get_players(users, inum)
        if(inum == 0)
        {
            console_print(id, "No users in such team idiot")
            return PLUGIN_HANDLED
        }
        for(i = 0; i < inum; ++i)
        {
            speedvar[users[i]] = float(str_to_num(arg2))
            set_user_maxspeed(users[i], speedvar[users[i]])
            speedy[users[i]] = true
            client_print(0, print_chat, "AMX: Everybody's speed is %s", arg2)
        }
    }
    else
    {
        new player = cmd_target(id, arg, 0)
        if(!player){
            console_print(id, "you can't spell!!")
            return PLUGIN_HANDLED
        }
        speedvar[player] = float(str_to_num(arg2))
        set_user_maxspeed(player, speedvar[player])
        speedy[player] = true
        new name[32]
        get_user_name(player, name, 31)
        client_print(0, print_chat, "AMX: %s's speed is %s", name , arg2)
    }
    return PLUGIN_HANDLED
 }

 public switch_weapon(id)
 {
    if(speedy[id])
    {
        set_user_maxspeed(id, speedvar[id])
    }
    return PLUGIN_CONTINUE
 }


 public plugin_init() {
    register_plugin("Fast Movement","0.2","Petey B")
    register_concmd("amx_speed","admin_speed",ADMIN_KICK, "<nick, part of nick, @team, * all> <speed>")
    register_event("CurWeapon", "switch_weapon", "be", "1=1")
 }