Imagine a serene and inviting oasis scene that serves as the backdrop for "Oasis Bar" at La Trobe University. Envision palm fronds gently swaying in the breeze, the warmth of sand underfoot, the vibrant energy of a DJ booth set against this tranquil setting, and colorful umbrellas dotting the landscape. This picturesque scene should capture the essence of relaxation and entertainment, merging the natural beauty of an oasis with the lively atmosphere of a popular bar. This background image should be rich in detail and color, creating a foundation that is both appealing and thematic, without any textual elements. The aim is to produce a visual that evokes the vibe of an oasis bar, perfect for layering with additional information such as the bar's name, special offers, and opening hours at a later stage. The scene should leave ample space, ideally in the upper or lower sections, for future text additions, ensuring that the final poster can be customized to convey specific messages. Focus on crafting a background that is versatile, allowing for easy integration of various elements by users to tailor the imagery to their unique requirements.