Christmas Animation

We have handed in our completed games and as it is getting close to Christmas and we haven't really used photoshop lately we have been working on some small Christmas animations ready for Alex. I decided to keep it simple and Christmas-y  by finding a picture for the background and putting a snow frosted window over the top. The next thing I needed to do was find snowflakes as I thought they would look nicer than using white blobs, it was difficult to find snowflakes that I could use as they were very detailed and photoshop found it hard to pick out the bits from between the snowflake so I had to find simple ones. Finally I imported them to flash and animated them so that they fell from one side of the screen to the other to look like snow falling. This proved to be more time consuming than I thought because it was difficult to time them perfectly and so that they fell consistently rather than in thick lumps. I'm happy with the outcome but when i publish the animation there is a line on the screen that looks like it is something that I missed on photoshop but as many times as I check it isn't there on the flash document until I publish it or on the photoshop image.