RE: Super Cub
Many have mounted camera's on the Super Cubs. Take a look at the Officail HobbyZone Super Cub thread, down at the Parkflyers section....The large 48 inch wing can generate a lot of lift, which makes it well suited for modifications that increase the overall weight, as long as the CG is ok.....I suggest that you don't purchase any extra 7 cell batteries, but move directly into the 8 cell. The 7 cell will fly, but the 8 cell is a lot more fun. After flying it on 8 cell, you'll never use the 7 cell again...LOL....
I suggest that you get many hours of stick time on your Super Cub. When you can take off, fly it around and land it, close to you, without incident, and do this on a regular basis, you may consider moving up. Low wing planes can be quite a handful for inexperienced pilots. Go slowly and carefully into that type of plane.
As far as crashing....If you don't "push the envelope" you'll never learn. Yes we still crash, just not as often. After enough crashes you will learn to repair, to the point where the repaired planes are as good or better than new. Why do we crash??.....Sometimes it's just "dumb thumbs" and sometimes it's because we are trying a new manuever. Sometimes it's the wind, the sun, mechanical failure, or a host of other reasons. I would seriously question anyone who says that they've learned to fly and now NEVER crash....Do I like it?.....No!....sometimes it is really painful.....but you pick up the pieces and keep going. This is what makes good pilots out of average pilots. It's part of the hobby. Don't get discouraged....Make every flight a learning experience. Take what you've learned and apply it to the next flight, and the next, and the next......Good Luck.....Pat