photo portrait of an attractive beer maiden wearing a traditional Bavarian dirndl, standing in a tent filled with patrons during oktoberfest, her expression should radiate joy and hospitality, the dirndl should be vibrant, with floral patterns, and she should be holding two frothy pints of beer, add elements like wooden beer barrels, pretzels, and traditional German flags to enhance the Oktoberfest ambiance, incorporate some fall foliage to symbolize the season, textured backgrounds to give the poster an aged look add subtle scratches or wear marks to enhance the vintage aesthetic, add a subtle sepia tone or a vintage filter to complete the retro look. Fine-tune the details to ensure the poster exudes authenticity, 8k, --ar 3:4