I've been knitting for a while, but I haven't yet made a raglan sweater. I love this style of sweater, and now that I got the hang of it, I am going to be knitting many more of these.
I used a M1R, K, M1L method for increasing. Caron, YarnInspirations has tons of free patterns.
I like their top-down Funnel Neck Raglan sweater pattern. It's super easy to knit, and once you get the idea, you will be making your own designs.