And the following would apply if you are dynamically loading images with no regard for their name
Code:
Dim MyProperties As System.Reflection.PropertyInfo() = _
    GetType(My.Resources.Resources).GetProperties(System.Reflection.BindingFlags.NonPublic Or _
                                                  System.Reflection.BindingFlags.Instance Or _
                                                  System.Reflection.BindingFlags.Static)

ListBox1.DisplayMember = "Name"
ListBox1.DataSource = (From T In MyProperties Where T.PropertyType Is GetType(UnmanagedMemoryStream)).ToList
As I have but two audio files on my machine and many images the following is a good example of dynamically working with image resource

Usage
Code:
Public Class Form1
    WithEvents bsData As New BindingSource
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        bsData.DataSource = ResourceImages.GetInstance.DataTable
        cboResourceImages.DisplayMember = "Name"
        cboResourceImages.ValueMember = "Identifier"
        cboResourceImages.DataSource = bsData
        PictureBox1.DataBindings.Add("Image", bsData, "Image")
    End Sub
End Class
Implemented using
Code:
Public Class ResourceImages
    Private Shared _Instance As ResourceImages
    Private dtImages As DataTable

    Public Function DataTable() As DataTable
        If dtImages Is Nothing Then
            GetImages()
        End If

        Return dtImages

    End Function
    Public Shared Function GetInstance() As ResourceImages

        If _Instance Is Nothing Then
            _Instance = New ResourceImages
        End If

        Return _Instance

    End Function
    ''' <summary>
    ''' Save image by Identifier field value
    ''' </summary>
    ''' <param name="FileName"></param>
    ''' <param name="Identifier"></param>
    ''' <remarks></remarks>
    Public Sub SaveImage(ByVal FileName As String, ByVal Identifier As Int32)
        dtImages.Select("Identifier =" & Identifier)(0).Field(Of Image)("Image").Save(FileName)
    End Sub
    ''' <summary>
    ''' Save image by tweaking the name shown (for this demo) the ComboBox,
    ''' replacing spaces with underscore char, default to bin\debug folder
    ''' and yes we add the image extension.
    ''' </summary>
    ''' <param name="FileName"></param>
    ''' <param name="DisplayName"></param>
    ''' <remarks></remarks>
    Public Sub SaveImage(ByVal FileName As String, ByVal DisplayName As String)
        dtImages.Select("Name ='" & DisplayName & "'")(0).Field(Of Image)("Image").Save(FileName)
    End Sub
    ''' <summary>
    ''' Retrieve images from project resources
    ''' </summary>
    ''' <remarks></remarks>
    Private Sub GetImages()
        dtImages = New DataTable

        dtImages.Columns.AddRange(New DataColumn() _
            { _
                New DataColumn("Identifier", GetType(Int32)),
                New DataColumn("Name", GetType(System.String)), _
                New DataColumn("Image", GetType(Image)) _
            } _
        )

        dtImages.Columns("Identifier").AutoIncrement = True
        dtImages.Columns("Identifier").AutoIncrementSeed = 1

        Dim MyProperties As System.Reflection.PropertyInfo() =
            GetType(My.Resources.Resources).GetProperties(System.Reflection.BindingFlags.NonPublic Or
                                                          System.Reflection.BindingFlags.Instance Or
                                                          System.Reflection.BindingFlags.Static)

        Dim BitMaps = (From T In MyProperties Where T.PropertyType Is GetType(Bitmap)).ToList

        If BitMaps.Count > 0 Then

            For Each pInfo As System.Reflection.PropertyInfo In BitMaps

                dtImages.Rows.Add(New Object() _
                        {
                            Nothing,
                            pInfo.Name.Replace("_", " "),
                            My.Resources.ResourceManager.GetObject(pInfo.Name)
                        }
                    )

            Next

        End If
    End Sub
    Protected Sub New()
    End Sub
End Class