for the first step you can try to add it on your userform...then you'll see how to control it
Private Sub UserForm_Initialize()
ComboBox1.SetFocus
    Set MyData = Sheet1.Range("a1").CurrentRegion   'database
    With Me
        .Caption = "Database Example"    'userform caption
        .Height = frmHt
        .Width = frmWidth
    End With
    Image1.Picture = LoadPicture("C:\Documents and Settings\blue\Desktop\office.jpg")
End Sub