I have following image names in my opencart directory /image/cache/data
1. 15-40x40.jpg
2. 15-62x62.jpg
3. 15-100x100.jpg
4. 15-160x160.jpg
5. 15-200x200.jpg
6. 15-455x475.jpg
7. 15-800x800.jpg
if i use echo $thumb
it is showing the image 15-800x800.jpg
but how can i call the image 15-100x100.jpg
Can any one help