diff --git a/res/include/img/background_patterns/checker14.png b/res/include/img/background_patterns/checker14.png
index 549b071..12a0141 100644
Binary files a/res/include/img/background_patterns/checker14.png and b/res/include/img/background_patterns/checker14.png differ
diff --git a/res/include/img/background_patterns/checker15.png b/res/include/img/background_patterns/checker15.png
index b1a8fbb..b1b8c28 100644
Binary files a/res/include/img/background_patterns/checker15.png and b/res/include/img/background_patterns/checker15.png differ
diff --git a/res/include/img/background_patterns/checker17.png b/res/include/img/background_patterns/checker17.png
new file mode 100644
index 0000000..44f37aa
Binary files /dev/null and b/res/include/img/background_patterns/checker17.png differ
diff --git a/res/include/img/background_patterns/checker_dwarf.png b/res/include/img/background_patterns/checker_dwarf.png
new file mode 100644
index 0000000..1757ea5
Binary files /dev/null and b/res/include/img/background_patterns/checker_dwarf.png differ
diff --git a/webcontroller/templates.go b/webcontroller/templates.go
index 64444a6..0b80b61 100644
--- a/webcontroller/templates.go
+++ b/webcontroller/templates.go
@@ -217,6 +217,8 @@ func (tm *TemplateManager) bgPattern() template.URL {
 
 	if now.Weekday() == time.Wednesday && rand.Intn(20) == 0 {
 		file = "checker_wednesday.png"
+	} else if month == time.August && day == 8 {
+		file = "checker_dwarf.png"
 	} else if month == time.August && day == 24 {
 		file = "checker_developers.png"
 	} else if month == time.October && day == 31 {
@@ -224,7 +226,7 @@ func (tm *TemplateManager) bgPattern() template.URL {
 	} else if month == time.December && day == 25 || day == 26 || day == 27 {
 		file = "checker_christmas.png"
 	} else {
-		file = fmt.Sprintf("checker%d.png", now.UnixNano()%17)
+		file = fmt.Sprintf("checker%d.png", now.UnixNano()%18)
 	}
 
 	var buf = bytes.Buffer{}