I have a MasterPage.master in root folder and I have to use it in info.aspx file which is in another folder named secure. 
Problem: In info.aspx page MasterPage.master's images are not visible but texts are visible. I am using this 
This is Master Page codings.
 <%@ Master Language="VB" %>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 <script runat="server">
 </script>
 <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">     <title>Untitled Page</title> </head> <body>     <form id="form1" runat="server">     <div>         <strong><span style="font-size: 24pt">HEAD OF THE PAGE</span></strong><br />         <br />         <img src="images/Water%20lilies.jpg" style="width: 893px; height: 110px" /><br />         This is main banner of my website.<br />         <asp:contentplaceholder id="ContentPlaceHolder1" runat="server">         </asp:contentplaceholder>         <br />         <br />         <strong><span style="font-size: 24pt">FOOTER OF THE PAGE</span></strong></div>     </form> </body> </html>
 
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This is info.aspx Page codings which is in another folder
 <%@ Page Language="VB" MasterPageFile="~/MasterPage.master" AutoEventWireup="false" CodeFile="info.aspx.vb" Inherits="secure_info" title="Untitled Page" %> <asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server"> This is my text of content. </asp:Content>
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In above page images are not visible which is in master page.
 
This is information.aspx Page codings
  <%@ Page Language="VB" MasterPageFile="~/MasterPage.master" AutoEventWireup="false" CodeFile="information.aspx.vb" Inherits="information" title="Untitled Page" %> <asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server"> this is my text </asp:Content>
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In above page, images are good, working cooool 
 
Folder location on my PC
wwwroot/MasterPage.master
: (I have used images there in master page)
wwwroot/introduction.aspx
: (In this page master page working very good)
wwwroot/secure/info.aspx
: (In this page master page working but only images are not visible)
 
Please tell me, where and how I change in info.aspx page or else to fix image error.