Solar powered pathway lights should be used with caution. They don't last very long so the sustainable aspect of the light is low. Try to find similar light alternatives that can be hard wired and use a solar collector.
Top 28 Ideas Adding DIY Backyard Lighting for Summer Nights
Walkway Light Embellishments Add holiday flair to your walkway lights in just a few simple steps. Tie a small piece of greenery and ribbon around the top of the light, add a seasonally hued candle, and use florist's wire to attach a faux cardinal.