{% for file in site.static_files %}
{% if file.path contains include.folder %}
{% if file.extname == '.jpg' or file.extname == '.jpeg' or file.extname == '.JPG' or file.extname == '.JPEG' %}
{% assign filenameparts = file.path | split: "/" %}
{% assign filename = filenameparts | last | replace: file.extname,"" %}
{% endif %}
{% endif %}
{% endfor %}