You'll have completed Big Nate Island.
you get it at the comic store
look around the place for them there practically every where
you find them all over the island and in the buildings and in the air
there's not really a last comic strip but the last one I found was on the speaker in the school
To find all the comic strips on Big Nate Island on Poptropica, you need to explore the island thoroughly by visiting different locations and interacting with characters. Some comic strips may be hidden in specific areas or as rewards for completing tasks. Keep an eye out for clues and hints from characters to help you locate all the comic strips.
You get the frame from the guy at Klassic Komix, and there are 8 pieces of the strip scattered around the island.
collect all the comic strips first: click on the fastener. Voila!
You can find the comic pages for Big Nate Island on Poptropica. Simply play through the island's quests and activities to unlock and collect the comic pages as you progress in the game.
you bring it to the building that has a lot of big nate picture and give it to the author
everywhere.
the comic store
It is on top of the lighthouse.