[adenadel]

This could potentially help http://jeremykun.com/2015/04/06/markov-chain-monte-carlo-wit...

If you're unfamiliar with Bayes Theorem and Bayesian inference the earlier articles from the OP might help.

[shogunmike]

Also, John Kruschke's "Doing Bayesian Data Analysis", aka the "Puppy Book", is a gentle introduction to Bayesian inference. It is very readable, especially with regards MCMC.