A dynamic sections template

promotions.liquid

{% for block in section.blocks %}  
{% if block.type == "promo-box" %}
<h3>{{ block.settings.title }}</h3>
<p>{{ block.settings.description }}</p>
{% elsif block.type == "image-picker" %}
<img src="{{ block.settings.promo-image | img_url: '800x' }}" />
{% endif %}
{% endfor %}

{% schema %}
{
	"name": "Promotional Blocks",
	"max_blocks": 5,
	"presets": [
	{
		"name": "Promotional Blocks",
		"category": "Custom Homepage Content"
	}
	],
	"blocks": [
	{
		"type": "promo-box",
		"name": "Promotional Box",
		"limit": 1,
		"settings": [
		{
			"id": "title",
			"type": "text",
			"label": "Title",
			"default": "your title here"
		},
		{
			"id": "description",
			"type": "textarea",
			"label": "Description",
			"default": "your description here"
		}
		]
	},
	{
		
 		"type": "image-picker",
		"name": "Promo Image",

		"settings": [
		{
			"id": "promo-image",
			"type": "image_picker",
			"label": "Promo Image"
		
		}
		]
	}
	]
}
{% endschema %}

{% stylesheet %}
{% endstylesheet %}

{% javascript %}
{% endjavascript %}