You may not think that the look and feel of your website is important, but it is very important. This is so because of a number of factors:
Look and feel
When a visitor comes to your website it must look professional, or they might think that you are a scammer, and just click away. You should avoid adding flash to website design.
A website with a lot of flash loads a lot slower than one without it, in addition Google is now ranking a website based on how fast it loads, your visitors will also leave before it loads if it’s taking too long.