One of the best ways to post pictures is with the RCU code that puts the picture into your post in a thumbnail. You get to it by going 'advanced' or by clicking on the 'reply' option that's in the upper right of each post. That 'reply' route is how I got the pictures plugged into this post.

Clicking 'reply' opens a window that looks like the QuickReply one, but if you look just below where you type, you'll see a couple of options for uploading images or files. I clicked on the 'Click here to upload images and files!' That will open an application window that you use to browse through your pc to get the picture(s) you want in your post.

I just now ran down to the shop and took a couple of pictures of small planes to show what angle has the most information visible if you want to show off a plane's warps or misalligned surfaces. That wasn't the best studio for the purpose, and they're small planes, but it was the best I could do tonight.

If you look closely at what you can see of the wings, notice I made an attempt to show as much bottom as top. When you look from a spot directly behind both wings, showing both equally, with some practice you can see if both wings are equally aligned first off. You can see if there is washout. Warps show themselves. etc