GNS3 set-up here:
http://imgur.com/3siRFMb

I can ping google.com from R2 but not from R1.

1. Can Ping 8.8.8.8 from R2
2. Can ping 10.200.200.1 from R1
3. Cannot ping 8.8.8.8 from R1

So it seems that it's a source natting issue however I have followed your instruction ditto.
Here are the configs for R1 and R2:

R1.cfg
!
!

!
version 12.3
no service timestamps debug uptime
no service timestamps log uptime
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
ip subnet-zero
no ip icmp rate-limit unreachable
ip cef
!
!
ip dhcp excluded-address 10.0.0.1 10.0.0.50
!
ip dhcp pool OURPOOL
   network 10.0.0.0 255.255.255.0
   default-router 10.0.0.1 
   dns-server 8.8.8.8 
!
no ip domain lookup
ip audit po max-events 100
!
!
!
!
!
!
!
!
!
!
!
!
!
!
ip tcp synwait-time 5
! 
!
!
!
!
interface FastEthernet0/0
 ip address 172.16.0.1 255.255.255.0
 duplex auto
 speed auto
!
interface FastEthernet0/1
 ip address 10.0.0.1 255.255.255.0
 duplex auto
 speed auto
!
router eigrp 1
 network 0.0.0.0
 no auto-summary
!
ip classless
!
no ip http server
no ip http secure-server
!
!
!
!
!
!
!
!
!
!
alias exec c config t
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 privilege level 15
 no login
!
end

_________________________________________________

R2.cfg
!

!
version 12.3
no service timestamps debug uptime
no service timestamps log uptime
no service password-encryption
!
hostname R2
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
ip subnet-zero
no ip icmp rate-limit unreachable
ip cef
!
!
!
ip name-server 8.8.8.8
ip name-server 8.8.8.4
ip audit po max-events 100
!
!
!
!
!
!
!
!
!
!
!
!
!
!
ip tcp synwait-time 5
! 
!
!
!
!
interface FastEthernet0/0
 ip address 172.16.0.2 255.255.255.0
 ip nat inside
 duplex auto
 speed auto
!
interface FastEthernet0/1
 ip address 10.200.200.2 255.255.255.252
 ip nat outside
 duplex auto
 speed auto
!
router eigrp 1
 network 0.0.0.0
 no auto-summary
!
ip nat inside source list 10 interface FastEthernet0/1 overload
ip classless
ip route 0.0.0.0 0.0.0.0 10.200.200.1
!
no ip http server
no ip http secure-server
!
access-list 10 permit any
!
!
!
!
!
!
!
!
!
alias exec c config t
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 privilege level 15
 no login
!
end