load balancing problem

hi,
a week ago i bought a rb 751U-2HnD i neet to configure it for make a load balancing between 2 adsl.
i’ve this configuration

/ip firewall nat
 0 X ;;; Load Balancing | NON TOCCARE |
     chain=srcnat action=masquerade out-interface=Wireless 

 1   chain=srcnat action=masquerade out-interface=WAN2 

 2   chain=srcnat action=masquerade to-addresses=0.0.0.0 out-interface=WAN3 

/ip firewall mangle

 0   chain=prerouting action=accept dst-address=192.168.2.0/24 in-interface=Local 

 1   chain=prerouting action=accept dst-address=192.168.2.0/24 

 2   chain=prerouting action=accept dst-address=192.168.3.0/24 in-interface=Local 

 3   chain=prerouting action=accept dst-address=192.168.3.0/24 

 4   chain=prerouting action=mark-connection new-connection-mark=WAN2_conn passthrough=yes dst-address-type=!local in-interface=Local 
     per-connection-classifier=both-addresses-and-ports:2/0 

 5   chain=prerouting action=mark-connection new-connection-mark=WAN3_conn passthrough=yes dst-address-type=!local in-interface=Local 
     per-connection-classifier=both-addresses-and-ports:2/1 

 6   chain=prerouting action=mark-routing new-routing-mark=to_WAN3 passthrough=yes in-interface=Local connection-mark=WAN3_conn 

 7   chain=input action=mark-connection new-connection-mark=WAN2_conn passthrough=yes in-interface=WAN2 

 8   chain=input action=mark-connection new-connection-mark=WAN3_conn passthrough=yes in-interface=WAN3 

 9   chain=prerouting action=mark-routing new-routing-mark=to_WAN2 passthrough=yes in-interface=Local connection-mark=WAN2_conn 

10   chain=output action=mark-routing new-routing-mark=to_WAN2 passthrough=yes connection-mark=WAN2_conn 

11   chain=output action=mark-routing new-routing-mark=to_WAN3 passthrough=yes connection-mark=WAN3_conn 

/ip route

0 A S  0.0.0.0/0                          192.168.2.1               1
 1 A S  0.0.0.0/0                          192.168.3.1               1
 2 X S  0.0.0.0/0                          192.168.1.1               1
 3 A S  0.0.0.0/0                          192.168.3.1               1
 4   S  0.0.0.0/0                          192.168.2.1               2
 5 X S  0.0.0.0/0                          192.168.1.1               1
 6 ADC  192.168.2.0/24     192.168.2.124   WAN2                      0
 7 ADC  192.168.3.0/24     192.168.3.125   WAN3                      0
 8 ADC  192.168.100.0/24   192.168.100.1   Local                     0

i’ve some problem:
-traffic balacing is not the same on two balancig,in wan2 i’ve 10 gbt traffic in wan3 only 400 mb
-when i try to open a page it go slowly like if load balancig lose time to Establish from wich wan request is to send
example
when i try to go on mikrotik site it lose 10 seconds to give me page, when i’m on mikrotik site ad visit the site speed is much more

-i can’t work properly port forwarding on my dvr
when i try to connect on mydvr sometime go sometime no
this is my rule for it

 

7   chain=dstnat action=dst-nat to-addresses=192.168.100.6 to-ports=1025 protocol=tcp in-interface=!Local dst-port=1025 

 8   chain=dstnat action=dst-nat to-addresses=192.168.100.6 to-ports=9001 protocol=tcp in-interface=!Local dst-port=9001

some body can help please.
tnks in addvance

before anything those SRc NAT rules are not right

1.. is ok

  1. is changing the source nat to 0.0.0.0. should be masquerade

tnks for answer
can you tell me more pls

your rules seem messed up

try the example here
http://wiki.mikrotik.com/wiki/Manual:PCC