use an array of custom listItems, that have a displayString + an imageLocation member:

vb Code:
  1. Public Class listItem

  2.     Public displayString As String

  3.     Public imageLocation As String

  4.  
  5.     Public Sub New(ByVal _displayString As String, ByVal _imageLocation As String)

  6.         displayString = _displayString

  7.         imageLocation = _imageLocation

  8.     End Sub

  9.  
  10.     Public Overrides Function ToString() As String

  11.         Return displayString

  12.     End Function

  13.  
  14. End Class

vb Code:
  1. Public Class Form1

  2.     'i'm not sure i matched the models correctly with the image filenames,

  3.     'but this shows you how its done.

  4.     Dim items() As listItem = {New listItem("Nokia 1100", "c:\gsmhelp\img\1100.JPG"), New listItem("Nokia 1202", "c:\gsmhelp\img\1202.JPG"), New listItem("Nokia 1203", "c:\gsmhelp\img\1203.JPG"), New listItem("Nokia 1661", "c:\gsmhelp\img\1661.JPG"), New listItem("Nokia 1680", "c:\gsmhelp\img\1680.JPG"), New listItem("Nokia 2330c-2", "c:\gsmhelp\img\2330c-2.JPG"), New listItem("Nokia 2600c", "c:\gsmhelp\img\2600c.JPG"), New listItem("Nokia 2630", "c:\gsmhelp\img\2630.JPG"), New listItem("Nokia 2680s", "c:\gsmhelp\img\2680s.JPG"), New listItem("Nokia 2760", "c:\gsmhelp\img\2760.JPG"), New listItem("Nokia 3100c", "c:\gsmhelp\img\3100c.JPG"), New listItem("Nokia 3109c", "c:\gsmhelp\img\3109c.JPG"), New listItem("Nokia 3110c", "c:\gsmhelp\img\3110c.JPG"), New listItem("Nokia 3120c", "c:\gsmhelp\img\3120c.JPG"), New listItem("Nokia 3200", "c:\gsmhelp\img\3200.JPG"), New listItem("Nokia 3250", "c:\gsmhelp\img\3250.JPG"), New listItem("Nokia 3500c", "c:\gsmhelp\img\3500c.JPG"), New listItem("Nokia 3600s", "c:\gsmhelp\img\3600s.JPG"), _

  5.     New listItem("Nokia 3650", "c:\gsmhelp\img\3650.JPG"), New listItem("Nokia 5000", "c:\gsmhelp\img\5000.JPG"), New listItem("Nokia 5100", "c:\gsmhelp\img\5100.JPG"), New listItem("Nokia 5130", "c:\gsmhelp\img\5130.JPG"), New listItem("Nokia 5200", "c:\gsmhelp\img\5200.JPG"), New listItem("Nokia 5220xm", "c:\gsmhelp\img\5220xm.JPG"), New listItem("Nokia 5300", "c:\gsmhelp\img\5300.JPG"), New listItem("Nokia 5310xm", "c:\gsmhelp\img\5310xm.JPG"), New listItem("Nokia 5320D", "c:\gsmhelp\img\5320D.JPG"), New listItem("Nokia 5500", "c:\gsmhelp\img\5500.JPG"), New listItem("Nokia 5610", "c:\gsmhelp\img\5610.JPG"), New listItem("Nokia 5630", "c:\gsmhelp\img\5630.JPG"), New listItem("Nokia 5700", "c:\gsmhelp\img\5700.JPG"), New listItem("Nokia 5800D", "c:\gsmhelp\img\5800d.JPG"), New listItem("Nokia 6060", "c:\gsmhelp\img\6060.JPG"), New listItem("Nokia 6085", "c:\gsmhelp\img\6085.JPG"), New listItem("Nokia 6101", "c:\gsmhelp\img\6101.JPG"), New listItem("Nokia 6110N", "c:\gsmhelp\img\6110n.JPG"), New listItem("Nokia 6111", "c:\gsmhelp\img\6111.JPG"), _

  6.     New listItem("Nokia 6120", "c:\gsmhelp\img\6120.JPG"), New listItem("Nokia 6125", "c:\gsmhelp\img\6125.JPG"), New listItem("Nokia 6131", "c:\gsmhelp\img\6131.JPG"), New listItem("Nokia 5140", "c:\gsmhelp\img\5140.JPG"), New listItem("Nokia 6151", "c:\gsmhelp\img\6151.JPG"), New listItem("Nokia 6170", "c:\gsmhelp\img\6170.JPG"), New listItem("Nokia 6210S", "c:\gsmhelp\img\6210s.JPG"), New listItem("Nokia 6220c", "c:\gsmhelp\img\6220c.JPG"), New listItem("i wasn't sure about this 1", "c:\gsmhelp\img\6233.JPG"), New listItem("Nokia 6233", "c:\gsmhelp\img\6234.JPG"), New listItem("Nokia 6234", "c:\gsmhelp\img\6255.JPG"), New listItem("Nokia 6255", "c:\gsmhelp\img\6267.JPG"), New listItem("Nokia 6267", "c:\gsmhelp\img\6270.JPG"), New listItem("Nokia 6270", "c:\gsmhelp\img\6280.JPG"), New listItem("Nokia 6280", "c:\gsmhelp\img\6288.JPG"), New listItem("Nokia 6288", "c:\gsmhelp\img\6290.JPG"), New listItem("Nokia 6290", "c:\gsmhelp\img\6300.JPG"), New listItem("Nokia 6300", "c:\gsmhelp\img\6303c.JPG"), New listItem("Nokia 6303C", "c:\gsmhelp\img\6500c.JPG"), _

  7.     New listItem("Nokia 6500C", "c:\gsmhelp\img\6500s.JPG"), New listItem("Nokia 6500S", "c:\gsmhelp\img\6555.JPG"), New listItem("Nokia 6555", "c:\gsmhelp\img\6600.JPG"), New listItem("Nokia 6600", "c:\gsmhelp\img\6600s.JPG"), New listItem("Nokia 6600S", "c:\gsmhelp\img\6610.JPG"), New listItem("Nokia 6610", "c:\gsmhelp\img\6620.JPG"), New listItem("Nokia 6620", "c:\gsmhelp\img\6630.JPG"), New listItem("Nokia 6630", "c:\gsmhelp\img\6650d.JPG"), New listItem("Nokia 6650D", "c:\gsmhelp\img\6680.JPG"), New listItem("Nokia 6680", "c:\gsmhelp\img\6681.JPG"), New listItem("Nokia 6681", "c:\gsmhelp\img\6700c-1.JPG"), New listItem("Nokia 6700c-1", "c:\gsmhelp\img\6820.JPG"), New listItem("Nokia 6820", "c:\gsmhelp\img\7070.JPG"), New listItem("Nokia 7070", "c:\gsmhelp\img\7100s.JPG"), New listItem("Nokia 7100S", "c:\gsmhelp\img\7210.JPG"), New listItem("Nokia 7210", "c:\gsmhelp\img\7210c.JPG"), New listItem("Nokia 7210C", "c:\gsmhelp\img\7250.JPG"), New listItem("Nokia 7250", "c:\gsmhelp\img\7370.JPG"), New listItem("Nokia 7370", "c:\gsmhelp\img\7390.JPG"), _

  8.     New listItem("Nokia 7390", "c:\gsmhelp\img\7500.JPG"), New listItem("Nokia 7500", "c:\gsmhelp\img\7510s.JPG"), New listItem("Nokia 7510S", "c:\gsmhelp\img\7510a.JPG"), New listItem("Nokia 7510A", "c:\gsmhelp\img\7610s.JPG"), New listItem("Nokia 7610S", "c:\gsmhelp\img\7710.JPG"), New listItem("Nokia 7710", "c:\gsmhelp\img\7900.JPG"), New listItem("Nokia 7900", "c:\gsmhelp\img\8600.JPG"), New listItem("Nokia 8600", "c:\gsmhelp\img\8800.JPG"), New listItem("Nokia 8800", "c:\gsmhelp\img\9300.JPG"), New listItem("Nokia 9300", "c:\gsmhelp\img\9500.JPG"), New listItem("Nokia 9500", "c:\gsmhelp\img\E50.JPG"), New listItem("Nokia E50", "c:\gsmhelp\img\E51.JPG"), New listItem("Nokia E51", "c:\gsmhelp\img\E60.JPG"), New listItem("Nokia E60", "c:\gsmhelp\img\E61.JPG"), New listItem("Nokia E61", "c:\gsmhelp\img\E61i.JPG"), New listItem("Nokia E61i", "c:\gsmhelp\img\E63.JPG"), New listItem("Nokia E63", "c:\gsmhelp\img\E65.JPG"), New listItem("Nokia E65", "c:\gsmhelp\img\E66.JPG"), New listItem("Nokia E66", "c:\gsmhelp\img\E66i.JPG"), _

  9.     New listItem("Nokia E66i", "c:\gsmhelp\img\E70.JPG"), New listItem("Nokia E70", "c:\gsmhelp\img\E71.JPG"), New listItem("Nokia E71", "c:\gsmhelp\img\E90.JPG"), New listItem("Nokia E90", "c:\gsmhelp\img\N70.JPG"), New listItem("Nokia N70", "c:\gsmhelp\img\N71.JPG"), New listItem("Nokia N71", "c:\gsmhelp\img\N73.JPG"), New listItem("Nokia N73", "c:\gsmhelp\img\N75-3.JPG"), New listItem("Nokia N75-3", "c:\gsmhelp\img\N76.JPG"), New listItem("Nokia N76", "c:\gsmhelp\img\N77.JPG"), New listItem("Nokia N77", "c:\gsmhelp\img\N78.JPG"), New listItem("Nokia N78", "c:\gsmhelp\img\N79.JPG"), New listItem("Nokia N79", "c:\gsmhelp\img\N80.JPG"), New listItem("Nokia N80", "c:\gsmhelp\img\N81.JPG"), New listItem("Nokia N81", "c:\gsmhelp\img\N82.JPG"), New listItem("Nokia N82", "c:\gsmhelp\img\N85.JPG"), New listItem("Nokia N85", "c:\gsmhelp\img\N90.JPG"), New listItem("Nokia N90", "c:\gsmhelp\img\N91.JPG"), New listItem("Nokia N91", "c:\gsmhelp\img\N92.JPG"), New listItem("Nokia N92", "c:\gsmhelp\img\N92-1.JPG"), New listItem("Nokia N92-1", "c:\gsmhelp\img\N93.JPG"), _

  10.     New listItem("Nokia N93", "c:\gsmhelp\img\N93i.JPG"), New listItem("Nokia N93i", "c:\gsmhelp\img\N95.JPG"), New listItem("Nokia N95", "c:\gsmhelp\img\N95-8G.JPG"), New listItem("Nokia N95-8G", "c:\gsmhelp\img\N96-1.JPG"), New listItem("Nokia N96-1", "c:\gsmhelp\img\n-gage.JPG"), New listItem("Nokia N-GAGE", "c:\gsmhelp\img\5100.JPG")}

  11.  
  12.     Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

  13.         ComboBox1.Items.AddRange(items)

  14.     End Sub

  15.  
  16.     Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged

  17.  
  18.         'PictureBox5.Image = System.Drawing.Image.FromFile _

  19.         '          (DirectCast(ComboBox1.SelectedItem, listItem).imageLocation)

  20.  
  21.         Debug.Print(DirectCast(ComboBox1.SelectedItem, listItem).imageLocation)

  22.  
  23.     End Sub

  24. End Class