1) When you do a triceps pushup, your arms are locked into your sides...so your elbows graze your sides as you push up and down.
1) Pyramid curls are just biceps curls, but you should start with the heaviest weight you can lift and lighten up each set thereafter.
If you give this a try, definitely let me know how it goes. I'm always excited to get your feedback. Tomorrow, I'll have a lower body workout for you. And just in case you missed the rest of this week's workouts: