If the pictures are too big for the website, set the camera's resolution to its lowest setting and take some more. The lower resolution will make the images smaller and they should fit on this website. Check the pictures on your pc and find a couple that are clear and show the problem, and post them here. Make sure you turn the camera's resolution back up after you have taken the pics otherwise all your pictures will be small.
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It sounds like you won a voucher for aquarium plants. If so, go to the pet shop and make a list of the plants you like, then post the list here along with details of the light unit above your tank. We can then go through the list of plants and make suggestions on which ones will be ok in your tank.
Plants can help keep the water cleaner and they provide shelter for the fish. They require about 10-12 hours of light per day, and most do better with some sort of aquarium plant fertiliser. However, they can normally be grown without adding any fertilisers.
While you are at the pet shop looking at the plants, ask about their aquarium plant fertilisers and write down the different brands they have. Post that info here too and we can recommend one if you want to try it. But post here before getting anything because some plants sold in shops will not survive underwater, and some fertilisers are not very good.
