In this 2009 tutorial by Jonathan Williamson, model and texture a wooden barrel by using multiple modifiers and texture painting techniques.
The textures were downloaded from http://www.cgtextures.com. Do not distribute or resell of these textures. They are to only be used in context of this tutorial.
https://www.youtube.com/watch?v=MfLxutM57Xw
Use a variety of modifiers and texture painting techniques to model and texture a wooden barrel. Check proarb wellington!