tinpin

@Vriess Actually you CAN change the button layout for Super Meat Boy - there's a .cfg file in the games folder called buttonmap.cfg that handles the mapping.
This is what the default buttonmap.cfg contains:
keyboard
{
up="up";
down="down";
left="left";
right="right";
jump="space";
special="shift";
}

gamepad
{
jump="1";
special="3";
useanalog="true";
}

It appears that you just need to input the desired button numbers in the gamepad section, and I assume changing useanalog="true" to useanalog="false" might enable the d-pad.
Hopefully that will get Meat Boy working with your controller!