I just search on Wikipedia, Google, and the Philippine Vexollogical Association group on Facebook. That group shares posts from local government units (LGU) especially for flags that are rarely seen in public. Keep in mind most municipality flags in the Philippines can be found on LGU social media accounts, usually carried by military reserve or police personnel during fiestas or flag-raising ceremonies.
It doesn't look that terrible to me for an organization's flag. Though I might just be more impressed by the effort they put into it rather than the actual design.
Combined flags of Celtic nations.
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I also don't find it very creative.Others would say it's terrible, I would personally say its aesthetically busy.
It's comparable to the flag of the municipality of Buenavista in Bohol, Philippines.