Thanks for all your replies!
Well fetching the logos from a established site is probably the easiest thing.
Though the logo with size 16x16 from Coinmarketcap is a bit to small. CoinCap offers 48x48 what rather fits my need. However 64x64 would be better.
Just pm me your details I'll do them for you free. Just mention my name in the credits or whatever
I would like to take your offer.
Need at least the logos of the top 100 coins. Is this possible for you to create all?