Code:
Sub LoopFolder() 
     
    Dim strFile As String 
    Dim strFileType As String 
    Dim strPath As String 
    Dim lngLoop As Long 
     
    strPath = "C:\ExcelFox" 
    strFileType = "*.jpeg;*.gif" 'Split with semi-colon if you want to specify the file types. Example ->> "*.xls;*.doc"
     
    For lngLoop = LBound(Split(strFileType, ";")) To UBound(Split(strFileType, ";")) 
        strFile = Dir(strPath & "\" & Split(strFileType, ";")(lngLoop)) 
        Do While strFile <> "" 
            Kill strFile 
            strFile = Dir 
        Loop 
    Next lngLoop 
     
    strFile = vbNullString 
    strFileType = vbNullString 
    strPath = vbNullString 
    lngLoop = Empty 
     
End Sub