Hi Ajjava
I don't know if this is useful, but you might be able to salvage some code from this VBA.
Currently it stands that, if you click an image (or more) then run this tool, it centers content on the slide.
Sub CenterOnSlide()
On Error GoTo err
With ActiveWindow.Selection.ShapeRange
'set to msoTrue to align to slide
'set to msoFalse to align to shapes
.Align msoAlignCenters, msoTrue
.Align msoAlignMiddles, msoTrue
End With
Exit Sub
err: 'error
MsgBox "Please select one or more shapes!"
End Sub