C#

StringBuilder xmlString = new StringBuilder();
xmlString.AppendLine("<TranslationRoot>");
//other xml ommited.
//Create an image.
System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(25, 25);
for (int i = 0; i < 25; i++)
{
    for (int j = 0; j < 25; j++)
    {
        Color pixelColor = bitmap.GetPixel(i, j);
        int r = pixelColor.R; // the Red component
        int b = pixelColor.B; // the Blue component
        Color newColor = Color.FromArgb(r, 0, b);
        bitmap.SetPixel(i, j, newColor);
    }
}

MemoryStream gifStream = new MemoryStream();
bitmap.Save(gifStream, System.Drawing.Imaging.ImageFormat.Gif);
System.Text.UnicodeEncoding encoding = new UnicodeEncoding();
//Create a byte array to assign the image to.
byte[] gifByte = new byte[gifStream.Length];
//Reset the stream position to the start. Otherwise nothing is read.
gifStream.Position = 0;
//copy the image from the stream to the byte array.
gifStream.Read(gifByte, 0, gifByte.Length);

//Place the image in the XML.
xmlString.Append("      <Value><![CDATA[" + encoding.GetString(gifByte) + "]]></Value>");

<Value><![CDATA[䥇㡆愹÷}