You can find the latest builds and legacy versions at Software Informer. ST Thumbnails Explorer for Windows - CNET Download
Ideal for graphic designers, photographers, and web developers, version 1.5 supports a wide array of formats, including proprietary Adobe Illustrator ( .ai ), CorelDRAW ( .cdr ), and Photoshop ( .psd ) files—formats that standard Windows tools often fail to preview. st thumbnails explorer 1.5 19