I'm not sure if it can be done. Having said that, I can give you an interesting alternative. :)
Say our chart looks like this in Excel

Copy. Ms Paint . , C:\MyChart.Jpg
MS Powerpoint Developer. (. ). "" "Microsoft Web Browser" . . Command. Show Chart - , :)

Private Sub CommandButton1_Click()
WebBrowser1.Navigate "C:\MyChart.jpg"
End Sub
F5, . .

, , :)

1) MS Powerpoint. Excel , .
2) PPT. PPT, ( , PPT )
Private Sub CommandButton1_Click()
WebBrowser1.Navigate ActivePresentation.Path & "\MyChart.jpg"
End Sub
xls ppt , excel temp directory. Webbrowser1