Please save your images as .jpg and use little or no compression.
Your file should be sized around File not to exceed 1 MB and minimum of 500 KB for each artwork submitted. (For resolution we recommend 240 - 300 dpi)
If the title is long, abbreviate. Sample labelling as follows:
1st Image: your name1_Image title.jpg
2nd Image: your name2_Image title.jpg
3rd Image: your name3_Image title.jpg