There was recently a genetic makeup study posted here for all Polish regions. Not one region had half Celto-Germanic results or anything close to it. If it applies to just very few individuals, it's not interesting for the question.
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The ones from Balkan.Because some have brown skin and slavic peoples is associated with light skin and light eyes
Phenotype lottery. Some south Slavs are swarthy due to ending up looking closer to pre-Slavic population they mixed with while you have Slavs to thank for Baltoid phenotype, it certanly isn't from Albanians xD
I'm joking though. South Slavs are quite better looking that north Slavs, Slavo-Med combination is estetically quite superior to pure northern features which are pretty unremarkable.
Czechs
As for thread, least Slavic overall are Torbesh (Macedonian muslims who seem to have heavy Albanian admix). From regional Slav groups Pinega Russians are one of least genetically Slavic speakers, they are mostly Slavicized Karelians.
Most Germanic admixed Poles are in now central parts like Greater Poland (real western Poland before border change with original population) and north on Baltic coast (Kashubians). But all of them are still heavily and pred. Slavic genetically.
Baltic phenotype is ofcourse Slavic and alien to pre-Slavic Albanians. You aren't more Slavic than other Albos, probably in range you just inherited Slavic features while you can have swarthy east Med sibling. I just laughed at your comments since darkness of south Slavs comes from mixing with people related with Albanians.