//Wrap image
MapWrapper wrapper = MapReflectionAPI. getMapManager ( ). wrapImage (ImageIO. read ( new File ( "image.png" ) ) ) ; //The image must be 128x128 in size!
MapController controller = wrapper. getController ( ) ;

final Player p = Bukkit. getPlayer ( "SBDeveloper" ) ;

//Add viewer
try {
   controller. addViewer (p ) ;
} catch (MapLimitExceededException e ) {
   e. printStackTrace ( ) ;
    return ;
}
controller. sendContent (p ) ;

//Show in frame
ItemFrame frame = ... ; //This is your ItemFrame.
controller. showInFrame (p, frame, true ) ;

//Or show in hand
controller. showInHand (p, true ) ;

//--- Wrap image (into 2 rows and 2 columns) ---
MultiMapWrapper wrapper = MapReflectionAPI. getMapManager ( ). wrapMultiImage (ImageIO. read ( new File ( "image.png" ) ), 2, 2 ) ;
MultiMapController controller = wrapper. getController ( ) ;

final Player p = Bukkit. getPlayer ( "SBDeveloper" ) ;

//--- Add viewer ---
try {
   controller. addViewer (p ) ;
} catch (MapLimitExceededException e ) {
   e. printStackTrace ( ) ;
    return ;
}
controller. sendContent (p ) ;

//--- Show in frames ---
//These are your itemframes
ItemFrame leftTopFrame = ... ;
ItemFrame leftBottomFrame = ... ;
ItemFrame rightTopFrame = ... ;
ItemFrame rightBottomFrame = ... ;
ItemFrame [ ] [ ] frames = {
    {leftTopFrame, rightTopFrame },
    {leftBottomFrame, rightBottomFrame }
} ;
controller. showInFrames (p, frames, true ) ;