Maplestory DS RedSnail 0.04 English translation
Extract EVERYTHING to a folder, then
Run Patch.bat and follow the instructions.
Patch.bat will not continue if you don't extract ALL the files
---------------------------------
For linux users,

On linux, go into a terminal then type 

sudo apt-get install xdelta3
Once it installs, cd to the directory that your rom and patch files are in, then type

xdelta3 patch [original romname] [patchfile name] [path to patched rom], subsituting in whatever is nesscesarry, for example
CODE
xdelta3 patch maplestoryds.nds cleantorsnail.xdelta c:/home/MapleStoryDS_PATCHED.nds
-------------------------------

For Mac OSX users, use _Retro_'s xdelta Mac patcher
http://gbatemp.net/index.php?showtopic=180142

Instructions from post
01. Place a clean rom of the game in to the Rom folder.

02. Rename your rom so that there are no spaces in the file name (ex. PokemonSoulSilver.nds , Tales_of_Innocence.nds)

03. Place the patch file that matches your version of the game in to the Patch folder.

04. Rename your patch so that there are no spaces in the file name.

05. Run Rom_Patcher

06. Wait for [Process completed]

07. A new rom named (Original Name)-patched.nds will be placed in the Rom folder.
---------------------------

cleantorsnail.xdelta is for clean roms
trimmedtorsnail.xdelta is for trimmed roms
bsnailtorsnail.xdelta is for BlueSnail 0.03 patched roms
0.02+torsnail.xdelta is for twiztidsinz's 0.02+ patched roms

--------------------------

Credits to
sightlight for translation, 
TehSkull creating a SVN repo, 
The original team led by DarthNemesis for the UI translation 
twiztidsinz for the Drag-and-Drop xDelta script used in 0.03BlueSnail and image translation.