The phrase "were clouds" can be replaced with a variety of synonyms to add richness to descriptive writing. Here are a few options: "billowing masses," "fluffy formations," "wispy veils," "drifting puffs," "floating blankets," "gauzy curtains," "ghostly shapes," "misty shrouds," "silver linings." Each of these options evokes a slightly different visual image and can contribute to the mood of the writing. For example, "wispy veils" might suggest a dreamy, romantic atmosphere, while "ghostly shapes" might convey something eerie or ominous. Using synonyms thoughtfully can elevate writing and create a more engaging experience for the reader.