Why use Cycles as a rendering engine and Blender as a post-production tool after modeling in Sketchup?
Which format to use to export your Sketchup model: .dae / .fbx / .obj / .3ds
Clean the Sketchup model 
Clean the Sketchup materials
Reorganize the Sketchup model on Blender layers
Apply the origins to the objects

Practical workshop: choice of format and export from Sketchup. Import into Blender. Model preparation

Presentation of the interface
Basic Blender settings / options 
Switch to metric system
Basic operators: Grab / Scale / Rotate
Object mode / edit
mode Selection mode: vertices, edges, faces
Selection tools
Extrusions
Removal of duplicates
From triangle to quads
Loop , cut and slide

Practical workshop: appropriating a Sketchup model in Blender

Presentation of the interface
Basic Blender settings / options / switch to metric system
Basic operators: Grab / Scale / Rotate
Object mode / edit
mode Selection mode: vertices, edges, faces
Selection tools
Extrusions
Removal of duplicates
From triangle to quads
Loop, cut and slide

Practical workshop: appropriate a Sketchup model in Blender

Creation and assignment of materials
The Node Editor
The different shaders
Multiple
textures Procedural textures
Factors:
Light path
Layer weight
Geometry
Info object
Vectors and material maps: why multiple maps for a material?
Generate different textures with Insane Bump in the Gimp
Bump mapping monochrome
Normal map
Specular map
Height map
Alpha Channel
UV Mapping
Editor UV
Plating

Lab: Create and apply materials réalistesaux different model objects

Traditional Blender lights: point, spot, sun, hemi, area
Mesh behavior in Emission mode
Influence of scale, power
Use of historical lights
Size
Power
Light Fall off
Installation of lighting systems:
Lights 3
Key light points
Fill light
Backlight

Practical workshop: Stage lighting, the various interior / exterior lighting devices

Download and install the addon
Import the reference photo
Choice of the number of vanishing points
Follow the lines of perspectives
Camera resolution
Position a sun-type light

Practical workshop: integrate the scene into the reference image

Using layers
Principle of compositing nodes
Combining nodes: the editor node
Input
nodes Output nodes
Mixing
nodes Color
nodes Vector
nodes Filter
nodes Masking
nodes Deformation nodes
Value nodes
Group creations
Material index
Objects index
Ambient Occlusion Map
Effects filters, glare, blur, lens distortion, ect.

Practical workshop: post production for a perfect integration of the scene in the reference image or how to edit images with Blender as in Photoshop or The Gimp.