ENH: CSharp broken links

Former-commit-id: b28badb4

src/CSharp/IO/ReadDICOMSeries.md

 ### Description
-This example demonstates how to read a series of DICOM images and how to scroll with the mousewheel or the up/down keys through all slices.<br />
-Sample data are available as a zipped file (977 kB, 40 slices): []([File:VTK_Examples_StandardFormats_Input_DicomTestImages.zip])<br />
+This example demonstates how to read a series of DICOM images and how to scroll with the mousewheel or the up/down keys through all slices.
+Sample data are available as a zipped file (977 kB, 40 slices) [here](http://www.vtk.org/Wiki/images/1/12/VTK_Examples_StandardFormats_Input_DicomTestImages.zip)
+
 A tutorial on how to setup a Windows Forms Application utilizing ActiViz.NET can be found here: [Setup a Windows Forms Application to use ActiViz.NET](http://www.vtk.org/Wiki/VTK/CSharp/ActiViz.NET)

src/Cxx/Graphs/MinimumSpanningTree.md

 ### Description
 This example shows how to find the minimum spanning tree. The input graph is:
  []([Image:3_vertex_fully_connected_graph.svg]) 
-and the minimum spanning tree computed is 
-[]([Image:Minimum_spanning_tree.svg]).
+and the minimum spanning tree computed is :
+
+<img style="float:middle" src="http://www.vtk.org/Wiki/File:3_vertex_fully_connected_graph.svg" />
+
 
 You must have compiled VTK with VTK_USE_BOOST=ON to use this functionality. You must also link to vtkInfovis.