Using PZG files?

I drew my own horse, downscaled it to 400*240, exported it using Petit Modem, now I have this HORSE23DS.PZG file. I can't find any documentation on using PZG files. If I try to load it with LOAD "HORSE23DS.PZG", I get an error. It is showing up when I use the FILES command. I want to load and display it on the graphics page, does anyone know how to do it? Horse in question (don't stare at it too long) http://i.imgur.com/gji8Rmf.png

I've figured it out. PZG I believe is a non-official file name for something like "Petit Zipped Graphics"(?). It's used by Petit Modem, you drag a picture to the converter and it turns into a PZG. After you send it over the modem it saves that to a DAT file in SmileBASIC. To decompress it you need to use LZSSLIB102.PRG (Name may change depending on the version used), the program that's included with Petit Modem. Also make sure the DAT file is in a directory accessible to LZSSLIB102.PRG when you run it. (set wherever it is to your default directory (under "Manage Project Files")) Open LZSSLIB102.PRG, on line 23 (again may change depending on the version used) change ROSE.PZG to whatever your pzg file is called. Run it and your GRP will be printed on to the screen, then you just have to save the GRP screen manually by typing SAVE "GRP0:NAME"

Hey thanks for taking the time to give a run down on that. Gonna have to make a cable soon to try this.

Hey thanks for taking the time to give a run down on that. Gonna have to make a cable soon to try this.

Thank rei for making the thing. :P Even if it doesn't come with clear instructions. I'm going to have to look up whether 3ds can even take mic input from the audio jack. EDIT Apparently it can, I keep hearing people say it doesn't work, but they probably just don't have it set up properly on their computer or their computer's audio jack is too old for the newer mic+l/r audio channels.

Splitting and welding wires? I would think all you would need is a trrs cable and one of these http://www.amazon.com/CablesOnline-4-Position-3-Position-Splitter-IP-AY12C/dp/B00N03ZYUU If your computer only has trs and mic ports.

Yeah I just need a 3 ring plug, the name of it has left my brain, I'm thinking I have a box of cords some where I can do on the cheap free. Every guy has a box of cords I swear! Big ball of mess too.

Well, yeah, the 3DS has a TRRS connecttor. If it's OMTP then it's like the first one in the pic.