Examples of different species and effects 

Beech
Beech
Yew
Yew
Spalted Beech
Spalted Beech
Ash with red dye
Ash with red dye
Oak
Oak
Coloured Fir
Coloured Fir
Chiseled Fir
Chiseled Fir
Charred Ash
Charred Ash
Ash with turqoise dye
Ash with turqoise dye
Ash with stitches
Ash with stitches
Ash pink
Ash pink
Ash dark
Ash dark