B & Q and Homebase both give out free sheets about how to do various DIY jobs, including installing a shower. You can pick them up in any of their stores. I had no difficulty in following the instructions which were very clear.
There are many places where one can find information on installing a thatched roof. One can find information on installing a thatched roof at popular on the web sources such as Roofer 911 and Thatch Co.
One of the best places to find well made tutorials on a range of DIY projects including installing a shower seat is Youtube. Simply navigate to Youtube in your web browser and type "how to install a shower seat" into the video search bar, then press enter or click search. There are a number of videos you can choose from to suit your learning style.
You can find information on installing an office mobile for iPhone online at the office section of the Microsoft website. Once on the page, you can select Mobile to view the support information.
A good place to search for info on installing a pedestal sink would be eHow. They will guide you with helpful information and videos. http://www.ehow.com/how_2070311_install-pedestal-sink.html
In order to build a walk in shower I would find out what you want to build it with, and I would find out what kind of shower doors you want, if you want them on a track or an open and close door.
This website contains much info on installing solar panels. http://www.solarpanelinfo.com/
Information about installing a security system would normally come with the system itself. Other additional information can be picked up from various tutorial videos on YouTube.
One can find information on installing a butcherblock countertop online on many different websites. Some examples are ThisOldHouse under the topic kitchen countertops or HomeAdvisor.
One can find information on installing Telnet Client from: Microsoft Windows, PuTTY, Fettes PS, The Windows Club, Wikipedia, Petri, Tech Recipes, Tech Net, Locker Gnome.
A great source of information on installing solar power in your home is livinggreener.gov.au. They do not actually sell the solar power systems so they are a non biased place to find out as much as possible about solar power before you start searching for an actual retailer.
Installing shower plumbing can be very difficult if you dont have past experience, and could potentially end up costing alot more money in the end. I would suggest hiring a proffesional.
One can find more information about installing Baldwin door knockers on the official Baldwin Hardware website, A Touch of Brass, eHow, Home Depot and various other websites.