Tools:

* CE - CE -Cheat Engine 5.5 [Link1]
* FP10 - Flash Player 10 [Link1]
* Firefox 3.5

Steps:

1. Go into CS, Then water some plant or tree
2. Open CE, Process firefox.exe, Tick (Hex,Array of bytes,ASROM)
3. Scan "660F2EC10F93C00FB6C08945EC8B45EC", 1 address returned
4. Right click the address then select "Dissassemble"
5. Change the "xxxxxx xmm0,xmm0" to "xxxxxx xmm0,xmm1"
6. A few line codes
7. Change the "test eax,eax" to "test ebx,ebx"
8. Every sprinkle of plant, you`ll also get your reward