When it comes to crafting witty and engaging captions for your Instagram photos, there are several approaches you can take depending on the mood or occasion you want to convey. Here are some examples and references to help you get started:

1. Funny/Cheeky Captions:
- "Life is short, make every hair flip count." - Unknown
- "I don't sweat, I sparkle." - Unknown
- "I followed my heart, and it led me to the fridge." - Unknown

2. Inspirational/Motivational Captions:
- "Dream big, work hard, stay focused, and surround yourself with good people." - Unknown
- "The only way to do great work is to love what you do." - Steve Jobs
- "Believe you can and you're halfway there." - Theodore Roosevelt

3. Travel Captions:
- "Wander often, wonder always." - Unknown
- "Adventure awaits." - Unknown
- "Collect moments, not things." - Unknown

4. Food Captions:
- "Good food, good mood." - Unknown
- "There is no sincerer love than the love of food." - George Bernard Shaw
- "Life is too short to miss out on the beautiful things, like a double cheeseburger." - Channing Tatum

5. Fitness/Workout Captions:
- "Sweat is just fat crying." - Unknown
- "The only bad workout is the one you didn't do." - Unknown
- "It's a slow process, but quitting won't speed it up." - Unknown

6. Nature Captions:
- "In every walk with nature, one receives far more than he seeks." - John Muir
- "The earth has music for those who listen." - William Shakespeare
- "Nature always wears the colors of the spirit." - Ralph Waldo Emerson

Remember, you can always customize these captions to align with your personal style and the specific content of your photo. Feel free to mix and match elements from different categories to create a unique caption that suits your mood or occasion perfectly.