Here are some websites that might be worth a visit:

Trendline Indicator for MetaTrader 4 & 5

Facts about Tick Charts
How tick charts help improve price action trading

Trading with X Tick Charts
The hidden secret of successful traders

Improve your trading
Improve your trading with tick and volume based charts

Tick Charts
What is the best interval for day trading?

The complete Tick Chart guide
A different way of looking at technical chart analysis

Tick Charts
Tool for Active Traders

Bob Volman - Price Action Scalping
Discussion about price action scalping based on Bob Volman's style

Price Action and Tick Charts
Why you should learn to trade price action with tick charts

Tick Charts
What are they and why you should use them