'...
'Create an instance of ImageElement class

Dim imgElem As Neodynamic.WebControls.ImageDraw.ImageElement
imgElem = Neodynamic.WebControls.ImageDraw.ImageElement.FromUrl("~/images/photo.jpg")

'Create an instance of RemovePixel class

Dim fxRemovePixel As New Neodynamic.WebControls.ImageDraw.RemovePixel()
fxRemovePixel.Color = Color.FromArgb(202, 185, 167)
fxRemovePixel.ColorTolerance = 10

'Apply the action on the ImageElement

imgElem.Actions.Add(fxRemovePixel)

'Add the ImageElement to the Elements collection of the ImageDraw control

Me.ImageDraw1.Elements.Add(imgElem)
'...

//...
//Create an instance of ImageElement class
Neodynamic.WebControls.ImageDraw.ImageElement imgElem = Neodynamic.WebControls.ImageDraw.ImageElement.FromUrl("~/images/photo.jpg");

//Create an instance of RemovePixel class
Neodynamic.WebControls.ImageDraw.RemovePixel fxRemovePixel = new Neodynamic.WebControls.ImageDraw.RemovePixel();
fxRemovePixel.Color = Color.FromArgb(202, 185, 167);
fxRemovePixel.ColorTolerance = 10;

//Apply the action on the ImageElement
imgElem.Actions.Add(fxRemovePixel);

//Add the ImageElement to the Elements collection of the ImageDraw control
this.ImageDraw1.Elements.Add(imgElem);
//...

...
<neoimg:imagedraw id="ImageDraw1" runat="server">
   <Canvas AutoSize="True" />
   <Elements>
      <neoimg:ImageElement Source="File" SourceFile="~/images/photo.jpg">
        <Actions>
            <neoimg:RemovePixel Color="202, 185, 167" ColorTolerance="10" />
        </Actions>
      </neoimg:ImageElement>
   </Elements>
</neoimg:imagedraw>
...