You can get the latest and greatest cheat files for your flashcard in usrcheat.dat format here:

http://www.ds-scene.net/?s=viewtopic&nid=11607

You will need to create an account on DS-Scene if you haven't already, but it's definitely worth it! If you have any problems, feel free to post either in this thread or on DS-Scene!

Changelog:
+New Games Added:-
+.... Nothing worth Mention
+Updates/Fixed:-
+Renamed Some Games
+Added Some New Codes for Old Games
Credit:
Abystus, AsPika2219, Demonic722, nolberto82 and Prof. 9

Credits:
- CMP team
- RetroGameFan
- retrohead