Do you own all the packs, or are you missing some? Because they are only unlocking existing icons in those files. If you are missing some packs they will show the llama.
The instance (third column) is what each item in the game goes by, it's the "name" of the item. If you want to add existing icons to the packs that LMS and Zerbu haven't done, you need to open Game Cruiser by going to Tools at the top left, then select it. Filter by DST, sort by size (icons are small), and then find what you're missing. You can filter by pack as well in the box directly under the filters. Type in the pack type, and then the number. Example is EP06.
Once you've found the icon you want and checked for the instance, just copy one of the image rows in that SimData, go to the next line and paste (do not break the format, it must be clean), and then change the last and longest number to the instance of the image you found (notice how the first 2 number sets are the exact same).
You can also use this
image program.
