.PictureFormat.TransparentBackground = True
  .PictureFormat.TransparencyColor = wdColorWhite
  .Fill.Visible = False

Sub AddPicsNoCaption()
Application.ScreenUpdating = False
Dim i As Long, j As Long, c As Long, r As Long, NumCols As Long, iShp As InlineShape
Dim oTbl As Table, TblWdth As Single, StrTxt As String, RwHght As Single, ColWdth As Single
On Error GoTo ErrExit
NumCols = 7
RwHght = CentimetersToPoints(1.5)
On Error GoTo 0
'Select and insert the Pics
With Application.FileDialog(msoFileDialogFilePicker)
  .Title = "Select image files and click OK"
  .Filters.Add "Images", "*.gif; *.jpg; *.jpeg; *.bmp; *.tif; *.png"
  .FilterIndex = 2
  If .Show = -1 Then
    'Create a paragraph Style with 0 space before/after & centre-aligned
    On Error Resume Next
    With ActiveDocument
      .Styles.Add Name:="TblPic", Type:=wdStyleTypeParagraph
      On Error GoTo 0
      With .Styles("TblPic").ParagraphFormat
        .Alignment = wdAlignParagraphCenter
        .KeepWithNext = True
        .SpaceAfter = 0
        .SpaceBefore = 0
      End With
    End With
    'Add a 1-row by NumCols-column table to take the images
    Set oTbl = Selection.Tables.Add(Range:=Selection.Range, NumRows:=1, NumColumns:=NumCols)
    With ActiveDocument.PageSetup
      TblWdth = .PageWidth - .LeftMargin - .RightMargin - .Gutter
      ColWdth = CentimetersToPoints(2)
    End With
    With oTbl
      .AutoFitBehavior (wdAutoFitFixed)
      .TopPadding = 0
      .BottomPadding = 0
      .LeftPadding = 0
      .RightPadding = 0
      .Spacing = 0
      .Columns.Width = ColWdth
      .Rows.Height = RwHght
      .Rows.HeightRule = wdRowHeightExactly
      .Range.Style = "TblPic"
      .Range.Cells.VerticalAlignment = wdCellAlignVerticalCenter
      .Borders.Enable = True
    End With
    For i = 1 To .SelectedItems.Count Step NumCols
      r = ((i - 1) / NumCols + 1) * 2 - 1
      For c = 1 To NumCols
        j = j + 1
        'Insert the Picture
        Set iShp = ActiveDocument.InlineShapes.AddPicture( _
          FileName:=.SelectedItems(j), LinkToFile:=False, _
          SaveWithDocument:=True, Range:=oTbl.Cell(r, c).Range)
        With iShp
          .PictureFormat.TransparentBackground = True
          .PictureFormat.TransparencyColor = wdColorWhite
          .Fill.Visible = False
          .LockAspectRatio = True
          If (.Width < ColWdth) And (.Height < RwHght) Then
            .Width = ColWdth
            If .Height > RwHght Then .Height = RwHght
          End If
        End With
        If j = .SelectedItems.Count Then Exit For
      Next
      'Add extra rows as needed
      If j < .SelectedItems.Count Then
        oTbl.Rows.Add
      End If
    Next
    With oTbl
      .Columns.Add .Columns(1)
      .Columns(1).PreferredWidth = CentimetersToPoints(2)
      .Rows.Alignment = wdAlignRowCenter
    End With
  End If
End With
ErrExit:
Application.ScreenUpdating = True
End Sub