diff --git a/c3woc.lektorproject b/c3woc.lektorproject
index ae30d53..a4aaf6d 100644
--- a/c3woc.lektorproject
+++ b/c3woc.lektorproject
@@ -28,4 +28,4 @@ url_prefix = /en/
 [packages]
 lektor-scss = 1.4.1
 lektor-image-resize = 0.6.1
-lektor-image-filter = 0.9
+lektor-image-filter = 1.1
diff --git a/templates/blocks/flow_one_innerbox_section.html b/templates/blocks/flow_one_innerbox_section.html
index 85dd4c4..d49905f 100644
--- a/templates/blocks/flow_one_innerbox_section.html
+++ b/templates/blocks/flow_one_innerbox_section.html
@@ -3,31 +3,11 @@
   {{- '\n        ' -}} <h2 class="content__inner_third_heading">{{ this.title }}</h2>
   {%- if this.box_image is defined and this.box_image != '' -%}
     {%- set image = record.attachments.images.get(this.box_image) -%}
-    {{- '\n        ' -}} <img class="content__inner_third_image content__half_box_image" src="{{ image|url }}"
-    {{- '\n          ' -}} width="{{ image.width / 2 | int }}"
+    {{- '\n        ' -}} <img class="content__inner_third_image content__half_box_image" src="{{ image | url | imagessrcwebp }}" width="{{ image | url | imageswidthwebp }}" srcset="{{ image | url | imagessrcsetwebp }}"
     {%- if this.image_alt is defined and this.image_alt != "" -%}
       {{- ' ' -}}
       alt="{{ this.image_alt }}"
-    {%- endif -%}
-    {{- ' ' -}}
-    srcset="
-      {%- set img_list = image.path.split('.') -%}
-{#
-{%- for option in ranger(int(bag('image-resize', 'option', 'range'))) -%}
-        {%- for item in img_list -%}
-          {%- if loop.index == loop.length -%}
-            {{- '-' -}}
-            {{- option -}}
-            {{- '.webp -}}
-          {%- elif loop.index == 1 -%}
-            {{ item }}
-          {%- else -%}
-            .{{- item -}}
-          {%- endif -%}
-        {%- endfor -%}
-      {%- endfor -%}
-#}
-" /> <!-- YYY -->
+    {%- endif -%}/>
   {%- endif -%}
   {%- if this.box_content is defined and this.box_content != "" -%}
     {{- '\n        ' -}}
diff --git a/templates/blocks/flow_text_image_section.html b/templates/blocks/flow_text_image_section.html
index 7e40f87..481c0e0 100644
--- a/templates/blocks/flow_text_image_section.html
+++ b/templates/blocks/flow_text_image_section.html
@@ -34,8 +34,8 @@
 
             ToDO: Nochmal nach Bildgrößen schauen, ggf. webp usw. mit einbeziehen...
           #}
-          <img class="content__half_box_image" src="{{ image|url }}" width="{{ image.width / 2 }}"
-            alt="{{ this.content_image_alt }}" srcset="{{ image.thumbnail(image.width / 2)|url }} 1x, {{ image|url }} 2x" />
+          <img class="content__half_box_image" src="{{ image | url | imagessrcwebp }}" width="{{ image | url | imageswidthwebp }}"
+     srcset="{{ image | url | imagessrcsetwebp }}" alt="{{ this.content_image_alt }}" />
           {%- if this.content_image_src is defined and this.content_image_alt != '' -%}
             {{- '\n          ' -}} <p>{{ this.content_image_src }}</p>
           {%- endif -%}