There are some really good video's showing how to apply Mono / Ultra cote on different parts of airframes, right here on RCU. They are very helpful, the job isn't really all that difficult, but you do have to work at it a little bit at first. After a while, most surfaces will cover easily for you.
HA! Found them -
http://www.rcuniverse.com/forum/m_8503667/tm.htm
Right in the first post in Beginners Resources..