A person can read good examples of Christian prayers at the nearest church closest to their house and also they can find prayers online if they search on a Christian website.
One can read Jewish prayers from books or websites. A great website to go to to read Jewish prayers would be My Jewish Learning. The My Jewish Learning site contains many topics of interest.
Prayers have to be from the heart for god to hear it. If it isn't from the heart then God will know because he can read our hearts.
The person who leads prayers during religious services is called a Cantor.
Practice, mainly. Listen to good speakers and read good-quality English, for examples.
When a Muslim offers prayers alone (not leading anyone else in the prayer) then even the obligatory prayers of Fajr, Maghrib and Ishaa - which are all read out loud - can be read silently. That is permitted.
Sabbath and festival prayers (the Torah is read), some weekday morning prayers, prayers on fast days, Purim, Rosh Chodesh, and Hannukah. Also the Bar Mitzva ceremony (which is incorporated in the Sabbath morning prayers).
Your question is not specific enough. You need to say what religion you're asking about.
Prayers, psalms, or readings that were read during a certain time of the day.
No, if you read their lyrics, they aren't inspiring or Christian-like.
Of course you can still read your horoscope. You may be Christian but you can still do some stuff that isn't like read a horoscope, read magazines. If you want to read a Christian magazine go ahead but I'm Christian but I go to a public school, I read books and magazines, and all my friends swear around me but I just play it cool and ignore it I read my horoscopes so go ahead read yours.
Solomon's prayer for the nation of Israel is an example of Intercessory prayer, 1 Kings 8:22 - 54. Read more, learn what's <a href=http://www.atotheword.com/2010/05/16/prayers-supplications-intercessions-giving-of-thanks-or-thanksgiving-types-of-christian-prayers-prt-2-2/ >Intercessory Prayer</a> and much more
There are many places to read Christian news. Some places Include The Christian Post, Christian News Today, Bible Gateway, Religion News Today, and the Christian Science Monitor.