Not sure if you can access the relevant page from TFP, so go to some of these free sites and in the search window type such terms as "beautiful blowjob", "great head", "amazing cock sucker" . . . you get the idea - and watch
very closely what the pros do. Think of echoing their techniques.
RedTube - Home of Porn
http://pornotube.com
http://www.boysfood.com/
http://www.yuvutu.com
http://badjojo.com
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Ask yr sweetie what makes him hotter, or really tingles his thighs, or intensifies and lengthens his orgasm. And go into specific details in the question, such as cum play, innocent eyes vs man-eater eyes, constant stroking vs smooth transitions, hand vs tongue, how to use lip action . . .
Tell him you want to practice in front of a mirror while he directs. Tie your hair up in a pony tail if possible and have him use it as a handle to direct you as you practice.