It's an ok mod, but there is one problem for sure: not every saferoom has graffiti in the first place, and not surprisingly those that didn't have any were unaffected. Also, there just wasn't enough "new" graffiti in my opinion. Some of it, is an improvement and some of it frankly doesn't make a lot of sense. If think this mod if "improved" would be worth a download because the graffiti in saferooms does get noticed because when playing so much time is spent in the saferooms.
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Improved Saferoom Graffiti