Problem: A man is shown standing against a black background. he

Answer: is playing a very fancy ornate accordian.

Problem: How to use a wood filler
Buy or make an appropriate filler.
Stainable wood fillers are designed to be stained so you can match them to the rest of the wood. Some water-based wood fillers are also stainable, but they are specifically meant to be used indoors.

Answer: You can also make your own wood filler by adding sawdust to carpenter's glue to form a paste. Another option is epoxy designed for wood, which is hard-wearing and can be carved.

Problem: How to tile over tile
Check for loose tiles.
Lightly tap on each old tile with a wood mallet. If the sound is solid, the tile is fine.
Answer: If the sound seems hollow, the tile is loose and needs to be fixed. Chip away the old caulk or grout around the tile and use a crowbar to lift up the old tile.