First of all, thank you so much for your quick reply.
I've tried it and (probably I'm doing something wrong) it still doesn't work - I'm getting the following in the Live View - Image Thumb (instead of the image itself).
Here is what WA Data Assist has put for me there:
<?php echo($row_WADALogo['ItemThumb']); ?><img src="<?php echo $row_WADALogo['ItemThumb']; ?>" alt="ImageThumb" />
The directory, where my images are uploading is:
Thank you so much in advance.