Crazy expensive for what they are, but the Mini-la-la ones on cheeks and cherries stay in DD's wispy hair. I must admit, I ordered them with a pile of nappies though, so the cost was masked somewhat! I'd be pleased to hear recommendations from other people too, I need some more.
I don't, but can I just add a word of caution. I know of 2x 2yo who swallowed their hair slides recently. Our nursery has just banned them completely for all ages because of the swallowing risk - they can be sharpish and there is a risk of perforation apparently.
My DD never managed to wear hair slides for more than 5 minutes anyway.