Step 1: Download Winrar from
here
Step 2: Install, making sure that integrate into shell is selected
Step 3: After placing all the images into one folder, right-click on the folder and select "Add to archive..."
Step 4: Under "Archive Format" select zip and proceed to Step 5 (or if the file is larger than the max allowed on the forum, select rar and proceed to Step 4.1)
Step 4.1: If you selected rar as the format then in the "Split to volumes, bytes" field type 5 mb, or any other size which you feel would be appropriate
Step 5: Click ok
You should now have a zip or rar file ready for posting on the forums! By the way, in case you couldn't tell, nice find and I would love to see the rest!