diff --git a/README.md b/README.md
index 2a76f30..bf67e37 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,9 @@
-# pixelfloot
+# ./pixelfloot
 
 Origin: https://git.la10cy.net/DeltaLima/pixelfloot
 
 an very simple and dirty pixelflut client to draw images, written in bash.
-pixelfloot was built during the 37c3. in its actual state, its just a mess. I hope i will find time to put it in a more usable and readable format. 
+./pixelfloot.sh was built during the 37c3. in its actual state, its just a mess. I hope i will find time to put it in a more usable and readable format. 
 
 ## examples
 
@@ -80,7 +80,7 @@ PIPEVIEW(bool), VERBOSE(bool)
 Running on my Ryzen 4700G with [wellenbrecher](https://github.com/bits0rcerer/wellenbrecher) 1280x720 and three workers,
 i get around 1,5Gbit/s localhost traffic.
 
-![pixelfloot screenshot](demo/screenshot_pixelfloot.png)
+![./pixelfloot screenshot](demo/screenshot_pixelfloot.png)
 
 ## try it out
 
diff --git a/pixelfloot.sh b/pixelfloot.sh
index 8d575a6..0e77b2a 100755
--- a/pixelfloot.sh
+++ b/pixelfloot.sh
@@ -297,7 +297,13 @@ loadLOL() {
   # max 64k each one
   if [ $LARGE ] 
   then
-    LOL_org="$(echo "$LOL_org" | shuf)"
+    if [ -z "$ALPHACOLOR" ]
+    then
+      LOL_org="$(echo "$LOL_org" | shuf)"
+    else
+      LOL_org="$(echo "$LOL_org" | grep -v ${ALPHACOLOR^^} | shuf)"
+    fi
+    
     test -z "$LOLFIELDSIZE" && LOLFIELDSIZE=64000
     # line counter
     L=1    
@@ -327,8 +333,8 @@ loadLOL() {
         message "load and shuffle pixels for frame ${YELLOW}$((${i}+1))/${LOLFIELDS}${ENDCOLOR}"
         LOL[$i]="$(convertimg ${ANIFILE}-${i}.png | shuf)"
       else
-        message "load and shuffle pixels for frame ${YELLOW}$((${i}+1))/${LOLFIELDS}${ENDCOLOR}, remove aplha color ${YELLOW}${ALPHACOLOR}${ENDCOLOR}"
-        LOL[$i]="$(convertimg ${ANIFILE}-${i}.png | grep -v $ALPHACOLOR | shuf)"
+        message "load and shuffle pixels for frame ${YELLOW}$((${i}+1))/${LOLFIELDS}${ENDCOLOR}, remove aplha color ${YELLOW}${ALPHACOLOR^^}${ENDCOLOR}"
+        LOL[$i]="$(convertimg ${ANIFILE}-${i}.png | grep -v ${ALPHACOLOR^^} | shuf)"
       fi
 
       #echo "${LOL[$i]}" | head
@@ -346,8 +352,8 @@ loadLOL() {
           message "shuffle pixels for [worker ${YELLOW}${i}${ENDCOLOR}]"
           LOL[$i]="$(echo "$LOL_org" | shuf)"
         else
-          message "remove aplha color ${YELLOW}${ALPHACOLOR}${ENDCOLOR} and shuffle pixels for [worker ${YELLOW}${i}${ENDCOLOR}]"
-          LOL[$i]="$(echo "$LOL_org" | grep -v $ALPHACOLOR | shuf)"
+          message "remove aplha color ${YELLOW}${ALPHACOLOR^^}${ENDCOLOR} and shuffle pixels for [worker ${YELLOW}${i}${ENDCOLOR}]"
+          LOL[$i]="$(echo "$LOL_org" | grep -v ${ALPHACOLOR^^} | shuf)"
         fi
       done