MyCraft is now ModLoader compatible
Some people were having issues with MyCraft and ModLoader together, so I've uploaded a new version that fixes these issues. I've also fixed a bug where smooth lighting would not be on until the menu was opened.
You can check out the new release here.
The link to the forum topic is here: http://www.minecraftforum.net/viewtopic.php?f=25&t=153315