Snowboarding tricks help!!!!?

so this will be my second year snowboarding this year and i'm pumped last year i was doing jumps and such my second time out and i was able to do indies. i tried 180's a couple times and everytime i tried it i would land flat on my back. i also want to do rails and such this year so can anyone give me tips on how to land my 180's and tips for rails? ive skated for 4 years so i know hot to do a lot of the grinds on a skateboard is it the same set up for a snowboard?