I am assuming you are using Windows, or OSX.
If you have only uploaded pics of the 172, go to the area that you uploaded your pics to. Scroll to the bottom of the screen. You will see a check box with "select / unselect all" beside it. Click the box to put a check-mark in it.
Now click on the "Generate HTML and IMG code" to the far right of that box.
Now right click in the big box, with all the "IMG" code, that has the title "IMG images for message boards". Select "Copy" from the menu that pops up.
This will have copied all of those lines of text, you can now "Paste" all those lines into a post, and they will display all the pics.
WARNING: Until you are comfortable with doing this, make sure you don't have a lot of pics "selected" at once.
