You're not following the text that's just above the archive, or are doing what I'm telling you to. I'll try to explain better.
"I will post a download link to an archive(contains loli + mod) that DOES NOT CONTAIN IMAGE FILES! You will still need to download the required image files, namely both base and loli from step 3, then follow step 4 to install them. You don't need to do anything else."
Steps:
1. Download
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2. Download and install
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3. Download and install
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4. You're done.
5. (Now edit the .qsp file to have sister always be able to be found).
OR don't download the archive, and instead follow steps 1-7 to do the things yourself. Both should work. The archive is a little out of date, but has nothing new that impacts gameplay, just same coding stuff that I'm working on.
EDIT: Although, that's actually not the problem. I think I forgot to update the imagepacks, which would cause this problem, sorry for that. Could you redownload the image packs and reinstall them to see if it now works? Should work... In theory, it does for me. So, just download step 2) in this post, and put it in the right location and it should start working.