[Improvement] Better variable checking for the thumbnail size to apply
[Improvement] Better variable checking for the thumbnail size to apply

eramdam/BetterTweetDeck,KokaKiwi/BetterTweetDeck,eramdam/BetterTweetDeck,eramdam/BetterTweetDeck,eramdam/BetterTweetDeck,rodrigopolo/EvenBetterTweetDeck,rodrigopolo/EvenBetterTweetDeck,KokaKiwi/BetterTweetDeck